---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
After the long journey, the three of them went back home, ______.
A. hungry and tiredly B. hungry and tired
C. hungrily and tiredly D. hungrily and tired
I’d appreciate ____ if you would like to teach me how to use the computer.
A. that B. it C. this D. you
Kathy______ a lot of Spanish by playing with the native boys and girls.
A. picked up B. took up C. made up D. turned up
