---What have you learned from your experience in the USA?
---Well, meeting people from another culture ______ be very difficult.
| A．must | B．can |
| C．should | D．shall |
Has some bad thing happened to her？It’s________her to drink so much.
| A．like | B．dislike |
| C．unlike | D．alike |
I admire Stephen Hawking greatly，whose________about black holes has a great effect on astronomy.
| A．theory | B．practice |
| C．way | D．method |
The new traffic rules that took effect on January 1 are much stricter than________in the past.
| A．that | B．this |
| C．it | D．those |
It’s really a small world！I________we would meet here.
| A．don’t think | B．haven’t thought |
| C．didn’t think | D．won’t think |
It is shown that men have________as women do on average while driving according to recent statistics.
| A．twice as many serious accidents |
| B．serious accidents as twice many |
| C．twice serious accidents as many |
| D．serious accidents as many twice |