— Where will you start your work after graduation？
— It’s not been decided yet. I _______ continue my studies for a higher degree.
| A．need | B．might | C．would | D．must |
--Must we hand in our homework now?---No, you ___. You ___ hand them in before Friday.
| A．mustn’t , can | B．needn’t, can | C．can't , can | D．mustn’t, must |
When I was walking in the street, I heard my name ___.
| A．to call | B．calling | C．call | D．called |
We ___ to the farm last week.
| A．had | B．needed to | C．didn’t | D．had to go |
You’ ll feel better as long as you ___ the doctor’s advice.
| A．ask for | B．give | C．follow | D．understand |
I can’t find my English book. I must ___ it at home this morning.
| A．forget | B．leave | C．have forgotten | D．have left |