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it will look better? A. If only B. What if C. As if D. Even if that time few people would accept Einstein’s ideas, which _____ correct many years later. A. were to prove B. were proved C. would prove D. were going to be proved do you want to have _____ the parts of a car together? A. fix B. to fix C. fixing D. fixed 18.— Have you found out anything, sir? — We are sure that the thief entered the house through the window instead of breaking in. You _____ have closed the window before you left. A. shouldn’t B. couldn’t C. might D. mustn’t 19.— James didn’t turn up last night, did he? — No. He_____ . We had changed our plan. A. shouldn’t have e B. needn’t have e C. didn’t need to e D. needn’t e is ing and the children _____ to see what Santa Claus will bring to them. A. can’t help B can’t wait C. can’t hope D. can’t expect 21. He went to Beijing at the end of September,_____ there was a grand celebration for new China’s 60th birthday on National Day. A. when B. which C. where D. that 3 22. The children were left _____ of a neighbour when they were on holiday. A. in charge B. in the charge C. under charge D. at charge 23. A healthy heart is very important for giving life to the full, at _____ age you are or whether you are a male or female. A. whenever B. however C