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m would stop to take a rest. ? A. any B. some C. none D. neither ? 16. The speaker raised his voice, but still couldn39。t think so. D. What39。 the other D. more。 but also D. neither。t be ? 21. If he doesn39。s worth __________ ? A. listening to B. being listening to ? C. listening D. hearing ? of the students __________hard on __________ lessons. ? A. works。t have enough money with me. ? A. and B. but C. so D. or ? 10. The meeting will begin soon. I________go now. ? A. need B. must C. can39。 see beautiful views outside ? 1. The journey to Mars will probably be very __________ (fortable). ? 2. __________ (hope), we can start again and build a better world on Mars. ? 3. So far, many ___________( spacecraft ) have traveled in space. ? 4. Are there large _________ (number) of students in the classroom? ? 5. We all know there are lots of ______________ (advantage) of living on Mars. So we won’t move out of Earth to Mars. ? 6. The heavy rain kept us from _________ (go) outside ? 1. unfortable ? 2. hopefully 3. spacecraft 4. numbers 5. disadvantages 6. going ? 7. I think _________ (dry) food is the most important for an astronaut. ? 8. I think it is ______ (high) possible that our teacher is in her office. ? 9. Do you know the meeting about a survey _________ (conduct) on the Inter in Beijing? ? 10. The teacher told his class that light _______ faster than sound. (travel) ? 11. Tom says that they ________________ (play) basketball at six o’clock yesterday evening. ? 12. I heard they _________ (return) it already. ? 7. dried 8. highly ? 9. conducted 10. travels playing 12. had returned ? 1. Spaceships without people__________other plas. ? A. arrived B. reached C. have arrived D. have reached