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【題目】Jackie had his luggage ________ an hour before his plane left．

【題目】He was lying on the grass, his hands _____ under his head.

【題目】- Got it! This is the first step______the engineer went wrong．

【題目】If you don’t ___ your smoking，I will ____ your supply.

【題目】No agreement______, the representatives wanted another round of talk.

【題目】The news has spread all over the country ________ the spaceship succeeded in returning to the earth.

【題目】Which T-shirt will the woman buy ?

【題目】_______ many scientists believe is ______the continuous presence of water benefits the earth a lot.