Câu 5: People have sent ............................. to investigate the seabed. A. submarines B. Airplanes C. spaceships D. helicopters Câu 6: I'll pay you double _______ you get the work finished by Friday. A. if B. unless C. supposing D. provided Câu 7: Many sea animals are at.......................... due to hunting and water pollution. A. loss B. death C. Risk D. Danger Câu 8: A: I don’t know how to use this camera? B: It's quite easy. ……........... you A. I going to show B. I'll show C. I’m will show D. I’m going to show Câu 9: We………………..use herbicides, pesticides and fertilizers that harm the environment A. should not B. should C. will D. does not Câu 10: The animals are not kept in …………..they can live in their natural environment A. cages B. house C. hotel D. restaurant Câu 11: If you ………… to me, you wouldn’t have got so much trouble. A. listened B. would listen C. had listened D. would have listened Câu 12: There is a large …………….. of animals that live in Nairobi National Park. A. varied B. vary C. variety D. various Câu 13: My home village is …………….. 40 kilometres north of the capital. A. held B. surrounded C. laid D. located Câu 14: A: Would you like………………………. lunch with us? ”. B: “Yes I’d love to”. A. have B. to have C. having D. had Câu 15: if you don’t know how to spell a word, you ……… look it up in the dictionary. A. must B. will C. should D. ought Câu 16: These flowers are fresh. They .................... from the garden A. have been just picked B. have just been picked C. have been picked just D. just have been picked Câu 17: You .............. go to bed late. It’s not good for your health. A. mustn’t B. should C. shouldn’t D. oughtn’t Câu 18: Linda: Excuse me. Where’s the post office? Maria: ………………. A. It’s over there B. I’m afraid not. C. Don’t worry. D. Yes, I think so. Câu 19: I think you ................study hard for the next exam. A. could B. will C. would D. should Câu 20: The life ......... of sperm whale can be up to seventy years. A. distance B. period C. length D. span Câu 21: Without plants, most of water would ……………………….as soon as it falls. A. run off B. run after C. run away D. run by Câu 21: If Lan had worn a rain coat, she ............... a cold A. had got B. wouldn’t get C. won’t get D. wouldn’t have got Câu 23: I still can’t believe it! My bicycle................ last night. A. was stealing B. stolen C. was stolen D. stole Câu 24: The child’s arm was swollen because he ……………….. by a bee. A. stung B. had stung C. had being stung D. had been stung Câu 25: By the end of last summer, the farmers .............all the crop. A. harvested B. had harvested C. harvest D. are harvested