Only after he had spent several nights working on the math problem _______ to wonder whether the problem was wrongly set.
| A．that he began | B．did he begin | C．then he began | D．so that he began |
He was so absorbed in his work that not a sound ______.
| A．did she dare to make | B．dared she to make |
| C．she didn’t dare to make | D．she dared to make |
After that we never saw her again, nor_________ from her.
| A．had we heard | B．we heard | C．did we hear | D．we have heard |
_____________, the little girl can help her mother with some housework.
| A．Young as she is | B．Young as is she |
| C．As she is young | D．As is she young |
Never before in my life ________such a beautiful girl with so many high qualities.
| A．I met | B．did I meet | C．I have met | D．have I met |
—— Don’t smoke today, honey, it’s three months since you smoked.
—— OK, I ______.
| A．do | B．don’t | C．will | D．won’t |
一Oh, poor Peter looks very weak.
一＿if you suffer from a high fever for three days on end.
| A．So are you | B．So you are | C．So will you | D．So you will |
---Have you got any particular plans for the coming holiday?
---Yes. ________, I’m going to visit some homes for the old in the city.
| A．If ever | B． | C．If anything | D．If possible |
Only by working hard your dream of becoming a doctor.
| A．you can achieve | B．can you achieve |
| C．can you be achieved | D．you can come true |
None of them could understand your meaning, _________?
| A．could they | B．didn’t he | C．do they | D．could it |