IV. Put the verbs into corect tense.
11. Wait until I (catch)...............you.
12. We (wait)..................the doctor since 7 o'clock.
13. George (work).................at the university so far.
14. She constantly (invite).................me to lunch and dinner with her once or twice a week.
15. Tim and I (be)......................pen pal for nearly 3 years.
16. He (wear)...................the same coat since he moved here.
17. In 1971, two men (claim)............that they were captured by aliens.
18. My friend (write)...............a long novel about the war now.
19. Alex (talk)....................on the phone for an hour.
20. The mailman (deliver).................letters every morning.
Loga
Sinh Học lớp 12
