【正文】
math problem is quite difficult. Ask Tom for help and he might _____ it. A. throw light on B. give light for C. throw light to D. give out light to 4. Will Zhao benshan take part in the Spring Festival Party? Sorry, he _____ appear there. A. is likely to B. should likely to C. is unlikely to D. is unlike to 5. He failed to catch the first bus ___________ the bad weather. A. owe to B. as a result C. due to D. because 6. One should keep ________ facing danger. A. quiet B. calm C. still D. silent 7. These toy bricks are _________ different sizes, shapes and colors, but they are exactly the same _____________. A. in, in weights B. in, of weight C. of, in weight D. of, of weights 8. It’s __________ to get a satisfying job in the petitive society, so each of us should value what we’ve got. A. nothing B. anything C. everything D. something 9. Charles Babbage is generally considered ______________the first puter. A. to invent B. inventing C. to have invented D. having invented 10. He was skeptical _______________ the news in that newspaper. A. on B. of C. in D. to 11. They ____ the plane, or perhaps they have been prevented from ing for some reasons. A. can have lost B. may have lost C. can have missed D. may have missed 12. I need a dictionary at present time. Jack____. He bought a new dictionary last week. A. may lend you one B. might lend one C. may lend this D. might be lending you 13. When we got to the airport, they ____ home. A. may have just left B. may just leave C. might be leaving D. might leave 14. Sorry. I am late. I ______ have turned off the alarm clock and gone back to sleep again. A. should B. can C. will D. might 15. Excuse me. Is this the right way to the post office? Sorry, I am not sure. But it _____ be. A. will B. might C. must D. can 16. Is Tom ing by train? He should, but he ____ not. He likes driving his car. A. must B. can C. need D. may 17. Johnny, you_____ play with the knife, you ____