IV. Give the correct form of the following verbs:
21. I enjoy (collect)………………….dolls.
22. What (your sister/do) ……………………. in her free time?
23. She (be) ………………….extremely quiet since her husband died.
24. I invited them to my birthday party yesterday, however, they (not come) ………………….
25. The Golden Gate Bridge in San Francisco (complete)…………………. in 1937.
26.He (speak)…………. to her about his vacation at the moment.
27.I (not, see) …………….you at the party last night.
28.Aunt Lee (arrive) …………..at the airport tomorrow?
My parents (live) …………………here for two years.