I _____ through the hard time but for my teacher’s generous and timely help.
| A．couldn’t have gone | B．could go |
| C．mustn’t have gone | D．hadn’t gone |
It was so noisy that we hear ourselves speak.
| A．couldn’t | B．shouldn’t |
| C．mustn’t | D．needn’t |
Have you ever heard of the trees that are homesanimals both on land and sea?
| A． | about | B． | to | C． | with | D． | over |
Jane’s grandmother had wanted to writechildren’s book for many years, but one thing or another always got in way.
| A．a;不填 | B．the;the | C．不填;the | D．a;the |
——Hi, John. Are you busy?
——
| A．Yes.I do agree. | B．Yes.That would be nice. |
| C．No.Are you sure? | D．No.What’s up? |
The boss of the company is trying to create an easy atmosphere ______ his employees enjoy their work.
| A．where | B．which | C．when | D．who |