Mr. Duncan raised an unnecessary question __________ he then failed to find an answer.
| A．to which | B．for which | C．with which | D．by which |
_______, China may have the largest number of English learners in the world.
| A．Sooner or later | B．Now and then |
| C．Believe it or not | D．Here and there |
Miss Gao asked her mother if she _______ to the hospital the day before when she was out.
| A．had gone | B．would go | C．went | D．was going |
The two men had hardly had time to ________what had happened when they were thrown violently into the sea.
| A．recognize | B．realize | C．understand | D．grasp |
Iraq has _______ too many wars since the 1990s, making his people _______a lot.
| A．got through; suffer from | B．looked through; suffering |
| C．gone through; suffer | D．passed through; suffered |
----- Why hasn’t Jane spoken to me for days ?
-----It was ________ you spoke about her behind her back.
| A．because of | B．because | C．why | D．that |