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Choices：
1. -You've got a good result in your research, haven't you?
-Yes , but much ________ .
A. remains to do B. is remains to do C. remains to be done D. has remained to do it
2. -I must be leaving now. It'll be 3 hours' drive to get there.
-__________.
A. Good-bye B. Take care C. Take it easy D. What can I do for you
3. Nobody could have guessed , in those days , the place in history that Martin Luther King, Jr____.
A. was having B. was to have C. had had D. had
keys：CBB
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（責(zé)任編輯：中大編輯）
