It seems to be rather hard for the old man to _____ from French to Japanese.
| A．change | B．exchange | C．switch | D．transform |
—Where did you get to know her?
—It was on the farm _________ we worked.
| A．that | B．there | C．which | D．where |
My English teacher’s humor was ___make every student burst into laughter.
| A．so as to | B．such as to | C．such that | D．so that |
---Is Jack on duty today?
---It ________ be him. It's his turn tomorrow.
| A．mustn't | B．won't | C．can't | D．needn't |
—Have you handed in your schoolwork yet?
—Yes, I have. I guess it ______ now.
| A．has graded | B．is graded | C．is being graded | D．is grading |
in the mountains for two weeks, the two bous were finally saved by the local police.
| A．having lost | B．Being lost | C．Losing | D．Lost |