Scientists from different countries are trying to_______ a good way to solve the energy problem.
A. keep up with B. come up with
C. catch up with D. meet up with
--- Good news. Li Na has become the first woman to reach a Grand Slam final.
---Fantastic! Nothing sounds _________.
A. good B. best
C. better D. worse
We should wear special boots __________ us floating away into the space .
A . to prevent B. preventing
C. prevent D. prevented
---I’m too nervous to give a talk in front of so many people.
--- _________, Maria. I think you can make it.
A. That’s true B. With pleasure
C. Come on D. You’re right
---Mr. Wu, I can’t understand everything in class.
---Don’t worry! I’ll _______ the main points at the end.
A. record B. review
C. require D. remember
--- What did Lucy ask just now ?
---- She asked _________________________.
A.if there will be a meeting.
B.when the meeting will begin
C.if would there be a meeting
D.when the meeting would begin
