Помогите!!!! решите все задания! пожалуйста)(:())

Question

Помогите!!!! решите все задания! пожалуйста)(:())

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Answer 1

16) had been cleaning
17) had been preparing
18)hadn't been seeing
19) hadn't been going to
20) had been studying
21) was talking
22) had already gone
23) did James graduate
24) had been trying
24) wasn't wining