— He should have come to join in the thorough cleaning.
—He _____, I think. It’s not his turn.
| A．needn’t have to | B．needn’t have | C．didn’t have to | D．doesn’t need to |
If you have a job, _______yourself to it and finally you will succeed.
A don't devote B.do devote C. devoting D. not devoted
My grandparents asked me to go and see them whenever______.
| A．I am convenient | B．I will be convenient |
| C．it is convenient | D．it will be convenient |
______some people dislike may be others’ favorite.
| A．Whether | B．What | C．That | D．How |
Studies show that office workers are more ______to suffer from backache because they always sit before computer screens for long hours.
| A．surely | B．likely | C．probable | D．possible |
She_____ Japanese when she went to Japan for holiday. Now she can speak it freely.
| A．picked up | B．turned up | C．made up | D．took up |