题目内容
Not until I read your letter ________ the true state of the affairs.
| A．did I understand | B．had I understood |
| C．I understood | D．I had understood |
A
解析
As a teacher, I seldom give my students so difficult a problem_______ they can’t work out.
| A．that | B．as | C．if | D．in order that |
One theory, ________ suggested by Harvard University, is that humans began cooking their food, thereby releasing nutrients locked in the raw food and reducing the time needed to chew it.
| A．which | B．as |
| C．that | D．what |
We believe ________ we can find out the wonder drugs to H7N9 bird flu.
| A．when | B．whether |
| C．what | D．that |
Transit, a car made in Jiangxi Province, was sold nearly 50 000 units in 2012, with the total value ________ it was in 2008.
| A．more than three times what |
| B．three more times than that |
| C．over three times than what |
| D．over three times of that |
I ________ him in time, otherwise he would have fallen off the bike.
| A．had supported | B．supported |
| C．have supported | D．support |
The weather was ________ cold that I didn't like to leave my room.
| A．really | B．such | C．too | D．so |
Please do me a favor—________ my friend Mr.Smith to Youth Theater at 7：30 tonight.
| A．to invite | B．inviting |
| C．invite | D．invited |
—_____is the best football player in your city?
—Jerry.
| A．Do you think who | B．Do you think whom |
| C．Who do you think | D．Whom do you think |