II. Put the verbs in brackets in the correct form.
1. Use fewer cars, and we (reduce) ___________________ air pollution.
2. They (hold) _____________ the Olympic Games every four years.
3. When my sister and I (be) ___________ small, we usually (go) _________ to the park.
4. In the future, we (have) __________________ doctor robots help sick people.
5. We might (not stay) ________________ in my aunt’s house because it’s quite small.
6.Will you (type) ______________ this letter for me, please?
7. Where she (be) _______________________ yesterday morning?
8. We (take) ___________________ some photos of the Merlion now.
 
III. Circle the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions.
1. What do you do if you see someone drop litter in the streets?
A.in                       B.do                       C.if                         D. drops
2. She might has a holiday on Mars in the future.
A.on                       B.the                      C.has                      D. might
 
IV. Circle the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.
1. Athens is a historic city in Greece.
A. old                     B. modern              C. ancient               D. unique
2. Home robots are becoming useful in our daily lives.
A. strong                B. helpful               C. popular              D. useless
 
V. Circle the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
1. Street food in Vietnam is very delicious.
A. tasty                  B. spicy                  C. awful                 D. salty
2.We need to cut down on the amount of waste in the neighborhood.
A. fall                     B. increase             C. reduce                D. raise
 
VI. Give the correct word form of these words in brackets.
1. Do you know that _____________ causes floods. (forest)
2. It’s good for you to learn from some _________________ speakers. (nation)