Mike was usually so careful, ______this time he made a small mistake.
| A．yet | B．still | C．even | D．thus |
—— Few children are as bright as he is, and also, he works very hard.
—— It’s no ＿＿＿＿＿ that he always gets the first place in any examination.
| A．question | B．doubt | C．problem | D．wonder |
She finds ＿＿＿＿＿＿ boring ＿＿＿＿＿＿ at home.
| A．it； staying | B．that； being stayed | C．this； to stay | D．it； stayed |
＿＿＿＿＿＿ for the free tickets, I would not have gone to the films so often.
| A．If it is not | B．Where it not | C．Had it not been | D．If they were not |
It’s the third time ＿＿＿＿＿ arrived late this month.
| A．that you | B．when you | C．that you’ve | D．when you’ve |
Our classroom is very clean. Do you know who＿＿＿cleaned it?
| A．was it that | B．it was that | C．was it who | D．he was |