It’s still not clear＿＿＿＿＿the two countries can reach an agreement at the conference．
| A．what | B．which | C．whether | D．that |
When I was a child，I ________ watch TV whenever I wanted to. (2013·江西，29)
| A．should | B．could |
| C．must | D．need |
—Do you think George has passed the driving test?
—No.If so，he ________ his car to our college yesterday. (2013·福建，30)
| A．would drive | B．drove |
| C．would have driven | D．had driven |
Eye doctors recommend that a child’s first eye exam ________ at the age of six months old. (2013·浙江，8)
| A．was | B．be |
| C．were | D．is |
I ________ myself more—it was a perfect day. (2013·浙江，3)
| A．shouldn’t have enjoyed | B．needn’t have enjoyed |
| C．wouldn’t have enjoyed | D．couldn’t have enjoyed |
He________sleep，although he tried to，when he got on such a hunt for an idea until he had caught it. (2013·湖南，32)
| A．wouldn’t | B．shouldn’t |
| C．couldn’t | D．mustn’t |