Mike ______ have known the solutions to this problem, or he would have told us.
| A．mustn’t | B．shouldn’t | C．can’t | D．needn’t |
The important thing is _______ a man does, not ______ he says.
| A．that; what | B．what; that | C．what; what | D．that; that |
Emmett hasn’t got enough ______ to remove that stone. He is only 10.
| A．energy | B．strength | C．pressure | D．force |
It seems that Jenny is a(n)______lady, for she always works more than 12hours a day.
| A．confident | B．sensitive | C．lively | D．energetic |
--Did you listen to Mr. Jackson’s lecture?
--Yes, I have never heard a _______one.
Jim apologized for ______ to inform me of the change of the plan.
| A．his being not able | B．his not being able | C．him not to be able | D．him to be not able |