— Do you still remember when we went to Nanjing?
— I can't remember now but ________sometime last summer?
| A．might it be | B．could it be |
| C．could it have been | D．should it have been |
A number of students _____ absent today, the number of whom ________five.
| A．is, is | B．are, are |
| C．is , are | D．are , is |
________________, the experiment is sure to succeed.
| A．If carefully doing | B．If carefully done |
| C．If it done carefully | D．It it doing carefully |
When I woke up, I found myself ______ in bed and _______ by doctors and nurses.
| A．lying, surrounding | B．laying, surrounding |
| C．lying, surrounded | D．lain, surrounded |
Because he was _____ the new limit, he was stopped by traffic police and was fined 200 yuan.
| A．good at | B．tired from |
| C．unaware of | D．uninterested in |
All the old paintings were well-preserved when they were discovered by the farmer.
The underlined part means _______.
| A．in good shape | B．in bad condition |
| C．in bad shape | D．in good condition |