You ______ last week if you were really serious about your work.
a. ought to come b. ought to be coming c. ought have come d. ought to have come
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 |
________is well known to everyone，I should say，is that a man becomes learned by asking questions.
| A．Who | B．It |
| C．As | D．What |
The worker earned little money a month，so he had to________only fast noodles.
| A．exist on | B．exist in |
| C．lie in | D．lie on |