Task 1:
1.A. answer /ɑːn.sər/ (a sound) - B, C, D (ɜː sound)
2.C. alone /əˈloʊn/ (oʊ sound) - A, B, D (ɜː sound or ɔː sound)
3.D. fell /fel/ (e sound) - A, B, C (æ sound)
4.A. candy /ˈkæn.di/ (æ sound) - B, C, D (ɪ sound)
5.A. architecture /ˈɑːr.kɪ.tektʃər/ (k sound) - B, C, D (tʃ sound)
Task 2: Correct Verb Tense
1.I enjoy fishing because it is relaxing. (Gerund after "enjoy")
2.She loves swimming in the afternoon. (Simple present for habit)
3.My friend hates eating out alone. (Gerund after "hate")
4.We suggest watching a horrible film. (Gerund after "suggest")
5.What about listening to pop music? (Gerund after "what about")
6.Does she enjoy doing gardening? (Gerund after "enjoy")
7.Have you visited your grandparents recently? (Present perfect for recent past)
8.She has been sending a letter to her pen-pal for 2 days. (Present perfect continuous – emphasizes duration)
9.They wrote this essay last week. (Simple past for completed action)
10.Did she finish school a month ago? (Simple past question)
11.People in Viet Nam as well as in the world visit Huong Pagoda every year. (Simple present for habit)
12.At the end of this month we are going to go to the Temple of Literature. (Near future plan)
13.Hoan Kiem lake is in the centre of Ha Noi. (Simple present for a fact)
14They erected stone tables in the Temple of Literature many years ago. (Simple past)
15.The gardeners always take care of trees and flowers in the Temple. (Simple present for habit)
16.Last summer holiday, we visited many historical places in Ha Noi. (Simple past)
17.My sister and I often pray in the church on Saturday. (Simple present for habit)
18.The Temple of Literature is the very first stop-over of any foreign tourists in Ha Noi. (Simple present for a fact)
Task 3: Find and Correct Mistakes
1.My hobbies are going hiking and shopping at weekends. (Subject-verb agreement)
2.If you eat more sugar, you will gain your weight easily. (Eating sugar leads to weight gain)
3.Her son lost his way on his way home yesterday. (Simple Past)
4.You shouldn't eat much junk food because you will be fat soon. (Negative advice)
5.Peter and Ann have bought a new car for about 2 weeks. It is so nice. (Subject-verb agreement)
Task 4:
1.interesting
2.collection
3.more
4.less
5.healthier
6.boring
7.runny
8.different
Task 5: Choose the Best Answer
1.B. less
2.A. so
3.B. listening
4.C. times
5.C. itchy
6.A. teaching
7.D. have flown/went
8.C. runny
9.C. to collect
10.D. but
11A. for
12.B. more
13.D. activities
14.B. offered
15.C. done
Task 6:
1.D. symptoms
2.C. miserable
3.A. from
4.B. illness
5.A. less
6.C. running
7.B. there is
8.A. Although
9.D. how
10C. Others
Task 7: Reorder Words
1.The rich should help the poor.
2.She is interested in watching movies with her close friends at the cinema.
3.People should give unused things away to the poor.
4.Doing volunteer work is a meaningful activity for society.
5.Stop reading comic books at night and go to bed early.
Task 8: Rewrite Sentences
1.My friend is fond of K-Pop music.
2.Tom is interested in reality TV shows, but he doesn't like game shows.
3.She has worked for this volunteer organization since 2010.
4.The teacher began teaching these students three years ago.
5.His right leg was broken, so he was taken to the hospital.