It is believed that _____ European scientist invented _______.
| A．an; a television | B．a; a television |
| C．an; the television | D．a; the television |
—Jackson had a car accident.
— He _______ have drunk so much and driven.
| A．mustn’t | B．wouldn’t | C．shouldn’t | D．couldn’t |
Rosa knows she is the eldest of the three children in the family, and she must work hard to _______ the other two. So she does.
| A．set an example to | B．make the most of |
| C．take a look at | D．play a trick on |
— The floor is too dirty.
— I know. It _______ for weeks.
| A．hasn’t cleaned | B．didn’t clean |
| C．hasn’t been cleaned | D．wasn’t cleaned |
— It seems you want to say something, eh?
— Yes, smoking is strictly _______ during the time of your visiting here in the storehouse.
| A．examined | B．warned | C．forbidden | D．defended |
The child walked quietly to the bird. _____into the forest when he was about to catch it.
| A．Flew it away | B．Away flew it | C．Flew away it | D．Away it flew |