10. If they () together, they'll have lots to talk about. A. sit B. will sit C. are sitting ...

5. She was dressed () a long white dress. A. on B. in C. at ...

5. It is still difficult to predict earthquakes in spite of the many advances scientists have made and the much research that is going on around the whole world. A. 错误 B. 正确 ...

14. John's father __________ mathematics in this school ever since he graduated from Harvard University. A. taught B. teaches C. has taught D. is teaching ...

9. __________ you go, don't forget your people. A. Whenever B. However C. Wherever D. Whichever ...

4. Chinese authorities are now searching for all batches relating to that date. However, they cannot as yet __________ that the injection caused the deaths and illnesses. A. confirm B. solve C. conform D. approve ...

4. There are a time to be silent and a time to speak, a time for study and a time for resignation or action. A. 错误 B. 正确 ...

12. As nobody here knows what is wrong with the machine, we must send for an engineer to __________ the problem. A. handle B. raise C. face D. pose ...

7. Professor Johnson comes from either Oxford or MIT, I can’t remember __________. A. where B. there C. which D. that ...

2. Early education is as important as the education of older children and young adults and equally worthy of public support. A. 错误 B. 正确 ...