—Can Professor Li be in the laboratory?
—He ______ be； I saw him there half an hour ago.
| A．can | B．must |
| C．might | D．need |
“Will another fifty be enough?” “Just twenty will ______.”
| A．work | B．do |
| C．suit | D．fit |
I don’t want the green coat. It is red and black colours that ______ me very well.
| A．suit | B．fit |
| C．suits | D．fits |
. The thing that ______ is not whether you fail or not, but whether you try or not.
| A．matters | B．cares |
| C．considers | D．minds |
“Do you know that Jack ______ a postman for about six years?” “Yes, I see.”
| A．has become | B．has turned |
| C．has changed | D．has been |
. “Did you get a job?” “No, I ______, but it’s no use.”
| A．expected | B．tried to |
| C．managed to | D．planned |