----How long ____ each other before they ____ married? ----For about a year.

A. think, lost

B. thought, had lost

C. think, had lost

D. thought, have lost

A. leaves

B. would leave

C. left

D. had left

A. had seen, was picking

B. saw, picked

C. has seen, picked

D. saw, was picking

A. slipped, was looking

B. had slipped, looked

C. slipped, had looked

D. was slipped, looked

A. was

B. have been

C. came

D. am coming

A. was happening

B. to happen

C. has happened

D. having happened

A. had written, left

B. were writing, left

C. had written, had left

D. were writing, had left

A. spoke, had forgotten

B. spoke, have forgotten

C. had spoken, had forgotten

D. had spoken, have forgotten

A. never think, are going

B. never thought, were going

C. didn’t think, are going

D. hadn’t thought, were going

A. will arrive

B. arrives

C. is arriving

D. is going to arrive