—I think Tom is no longer a child and _______ enough.
—Yes, it’s time he made his own decisions.
| A．mature | B．stubborn |
| C．ridiculous | D．sensitive |
-----Must I go there right now?
-----No, you _____. You ____go there before supper.
A mustn’t , need B. needn’t, may C. can’t ,need D. won’t, can
We laugh at jokes，but seldom about how they work．
| A．we think | B．think we | C．we do think | D．do we think |
_____ playing dumb with teachers. They know very well their students.
| A．It’s no use | B．There is no doubt | C．It’s no wonder | D．There is no need |
They thought my suggestion reasonable _______a few experts to help them.
| A．that we sent | B．we should send | C．we would send | D．that we send |
_____but he still couldn’t understand the logical connection of the two subjects.
| A．Having told many times | B．Having been told many times |
| C．He was told many times | D．Many times as he was told |