IX. Underline the correct answer.
1. That tourist has backpacked through Southeast Asia since last year.
Answer: has backpacked

2. We wish to visit another landmark as we have already explored the ancient ruins of Rome.
Answer: already

3. My mum has taught me how to play the piano for my childhood.
Answer: for

4. How many times have you gone trekking in the rainforest?
Answer: Have you ever tried (The provided option "have you gone" is incomplete in the image. Assuming the full sentence is "How many times have you gone trekking in the rainforest?", then "have you gone" is the answer. The complete question is "How many times did you go / have you gone trekking in the rainforest?". The answer is have you gone.)

5. Their trip is over, but they haven't tasted any street food in Bangkok yet.
Answer: yet

6. My family have stayed in a cruise around the Mediterranean for a week.
Answer: for

7. Mr Smith has travelled back and forth between the US and Viet Nam over the past decade.
Answer: has travelled

8. Anna has raised a rescue dog from the local shelter for two years.
Answer: for two years

9. I have never been on a trip without my family so far so I'm quite worried.
Answer: so far

10. Have you ever tried skydiving or bungee jumping before?
Answer: Have you ever tried

X. Supply the correct form of the verbs in brackets.
1. I can't believe she (not book) her flight for the summer vacation yet.
Answer: hasn't booked

2. They (do) community service in their neighbourhood every June.
Answer: do

3. Mount Everest is the most challenging mountain I (ever, climb).
Answer: have ever climbed

4. Last year, we (explore) the savanna of Africa on a jeep tour.
Answer: explored

5. How many eco-tours have you (take) for the past three years?
Answer: taken

6. I hope my best friend and I (not argue) during our field trip.
Answer: won't argue (or will not argue)

7. Peter (injure) his hand while he (attend) an army course.
Answer: injured; was attending

8. The tour guide (help) us a lot since we (arrive) in Paris.
Answer: has helped; arrived

9. My flight (be) tomorrow so at present I (pack) my clothes.
Answer: is; am packing

10. Carla usually (visit) Australia in the summer, but she (never/ go) snorkelling to see the coral reefs.
Answer: visits; has never gone

11. (you/ ever/ be) to Japan? No, I (not be) to Japan yet.
Answer: Have you ever been; haven't been

12. How long (Mrs Grey/ teach) in this school? ~ She (start) teaching here two years ago.
Answer: has Mrs Grey taught (or has been teaching); started

13. She (have) a breakthrough in her research some years ago, and since then she (be) very successful.
Answer: had; has been

XI. Put the verbs in brackets into the correct form.
Yuko moved to Montreal this year. She (1) (live) in Montreal for about eight months.
Answer: has lived (or has been living)

When she (2) (move) to Montreal from Tokyo, she was a little nervous and scared, but now she (3) (feel) very comfortable and knows the city very well.
Answer: moved; feels

She has found a nice apartment downtown, and it (4) (not be) too expensive.
Answer: hasn't been

For example, Yuko (5) (be) to Mount Royal, she (6) (ride) on the Metro and she (7) (eat) a Montreal bagel.
Answer: has been; has ridden; has eaten