Tom was wearing a suit, ______was unsuitable for an informal gathering.

A. are you doing/ will go

B. have you done/ would go

C. were you doing/ went

D. will you do/ are going

A. Water in the desert

B. Kangaroo rats

C. Desert life

D. Physiological experiments

A. lively

B. driven

C. kite

D. bite

A. had come/ had started

B. came/ had started

C. had come/ started

D. came/ started

A. She has been learning English for two years.

B. She started to learn English for two years.

C. She has learning English for two years.

D. She has been starting to learn English for two years.

A. has finished

B. had finished

C. finished

D. was finished