Recently, a team of eight medical experts has arrived in Shanxi Province to help to__________the latest vaccine incident.
| A．look at | B．look into | C．look through | D．look on |
It __________ Tom that parked the car here, as he is the only one with a car.
| A．may be | B．might have been | C．must have been | D．could be |
Though he has lived in America for five years, he doesn’t intend to __________ American citizenship.
| A．apply for | B．stand for | C．take over | D．set up |
- How many people attended the exhibit?
- I’m not sure. __________ 100 people.
| A．Exactly | B．Actually | C．Roughly | D．Strictly |
- I beg your pardon?
- Your mind must have been __________ when I was speaking, wasn’t it?
| A．wondering | B．wandering | C．walking | D．speaking |
- What do you suppose made Alice so sad?
- __________ the computer test.
| A．Because she hadn’t passed | B．For she didn’t pass |
| C．She failed to pass | D．Her failing to pass |