You _____ return my dictionary now. You can keep it and I will get it from you later.
| A．may not | B．mustn’t | C．can’t | D．needn’t |
----Ten dollars, please!
----How terrible! I ______ to bring my wallet with me.
| A．was forgetting | B．forget | C．had forgotten | D．forgot |
. Mr. Green requires that the students ______ cheat in any exam.
| A．should | B．don’t | C．wouldn’t | D．not |
----Where did you meet him?
----It was in the hotel ______ he stayed ______ I met him.
| A．where, that | B．that, where | C．where, where | D．that, that |
. I ____ to the top of the tree, but I fell off it and hurt my leg.
| A．must have climbed | B．was able to climb |
| C．could have climbed | D．should have climbed |
. He is rather difficult to make friends with, but the friendship of his, _________,is truer than that of anybody else’s.
| A．once gained | B．while gaining | C．if gains | D．after gained |