T0 make members 0f a team performbetter,the trainer first of all has to know their_______and weaknesses。
| A．strengths |
| B．benefits |
| C．techniques |
| D．values |
I _______ have met him a long time ago. Both his name and face are very familiar.
| A．may | B．can |
| C．would | D．should |
“I called you yesterday. A woman answered, but I didn’t recognize her voice.” “Oh, it _____ my aunt Jean.”
| A．must be | B．must have been |
| C．might be | D．can have been |
Are you still here？ You ______ home hours ago.
| A．should go | B．should have gone |
| C．might go | D．may have gone |
As she’s not here, I suppose she _____ home.
| A．must go | B．must have gone |
| C．might go | D．might be going |
You _____ him the news; he knew it already.
| A．needn’t tell | B．needn’t have told |
| C．mightn’t tell | D．mightn’t have told |