题目内容
Your teacher ________ very angry at that moment because you talked back to her like that.
| A．should have been | B．must have been |
| C．must be | D．might have been |
B
解析
Malaysia Airlines Flight 370 ___________ course and turned back toward Kuala Lumpur -- but there were no indications from the pilot that he was doing so.
| A．must have changed | B．could have changed |
| C．might have changed | D．should have changed. |
Alex changed his mind at the last minute，otherwise we ________ an agreement.
| A．should have reached | B．could have reached |
| C．can reach | D．should reach |
According to the newly-made traffic regulation, whoever drives through red light be fined at least 200 dollars．
| A．shall | B．may | C．would | D．should |
Anyone whose performance is best received by the public____ be given an opportunity to show their talents at the Great Hall of the People in Beijing.
| A．need | B．shall | C．may | D．could |
My mother is a great cook and we ________ never get enough of her cookies.
| A．may | B．need |
| C．should | D．can |
—Show me your permit, please.
—Oh, it's not in my pocket. It ________.
| A．must have fallen out | B．might fall out |
| C．could fall out | D．should have fallen out |
We all know that we ________ our carbon footprint, but I suspect that many people wouldn't be prepared to go as far as Joan Pick, a retired scientist living in south London.
| A．must have reduced | B．should have reduced |
| C．may have reduced | D．could have reduced |
—Can you keep a secret?
—You ________ worry—I'm not going to mention it to anyone.
| A．needn't | B．couldn't |
| C．mustn't | D．won't |