An awful accident, however, _____occur the other day.
| A．does | B．did | C．has to | D．had to |
Our teachers often suggest we ______ take it easy when facing any difficulty.
| A．had | B．could | C．would | D．should |
Tom won the game, ______ was really beyond his wildest dream.
| A．that | B．which | C．it | D．what |
Just wait here, ______ you can hang around for a while. Your turn is half an hour away.
| A． or | B．so | C．but | D．and |
______ Mr. Li is now waiting for you on ______ first floor.
| A．A; a | B．The; a | C．The; / | D．A; the |
— What do you think of the idea, Jack?
— ______ ! I can’t expect a better one.
| A．Just so-so | B．All right | C．Perfect | D．Glad to hear that |