21: He is thoroughly __ in this newly developed branch of knowledge ___ computer science. A: in home B: in his home C: at home D: at his home ...

13: Sorry to ____ but I have an urgent message for you. A: insist B: interrupt C: investigate D: interpret ...

5: Georage told Mary that he ___what he was doing during the vacation. A: had just been asked B: had just asked C: was just asked D: just asked ...

24: The old man found his hometown ___completely. A: changing B: changed C: has changed D: to be changed ...

16: I ____ your help so much that I never stopped studying. A: admire B: love C: appreciate D: remember ...

12: The new settlers bought land and seized it to set up ____. A: revolution B: plantations C: transitions D: foundation ...

4: The landscape painting has been ____ by the drop of red ink. A: destroyed B: spoiled C: eliminated D: damaged ...

13. Why ___that girl ____on the table? A. does…stand B. is…standing C. has…stood D. did…stand ...

6. I consider it better ______. A. not telling her the truth B. the truth not being told to her C. don’t tell her the truth D. not to tell her the truth ...

1. They are trying to earn more to ____ the loss they suffered at the beginning of the year. A. cure B. remedy C. mend D. repair ...