1. (Zero Conditional) If people ______ plastic into rivers, it ______ the water., A. throw / pollutes, B. throw / will pollutes, C. threw / pollute, D. throws / pollute, If the temperature ______, ice ______., A. rises / melts, B. rise / will melt, C. rose / melted, D. will rise / melts, If we ______ more trees, we ______ the air quality., A. plant / improve, B. plant / will improve, C. planted / would improve, D. plant / improved, If people ______ less energy, we ______ fewer resources., A. use / waste, B. use / will waste, C. used / would waste, D. will use / waste, If I ______ the president, I ______ stricter environmental laws., A. am / will create, B. were / would create, C. was / create, D. were / will create, If people ______ more about climate change, they ______ more responsibly., A. know / act, B. knew / would act, C. knew / will act, D. know / would act, If governments ______ earlier, they ______ environmental damage., A. act / reduce, B. acted / would reduce, C. had acted / would have reduced, D. have acted / reduced, If we ______ more renewable energy, we ______ pollution., A. had used / would have decreased, B. use / decrease, C. used / would decrease, D. had used / decrease, If it ______ more, the crops ______ better this year., A. rains / will grow, B. rained / would grow, C. had rained / would have grown, D. rain / grow, If I ______ near a forest, I ______ more about nature., A. live / learn, B. lived / would learn, C. lived / will learn, D. live / would learn, If people ______ more careful, many species ______ extinct., A. were / wouldn’t become, B. had been / wouldn’t have become, C. are / won’t become, D. have been / didn’t become, If I were you, I ______ anything., A. hadn't said, B. wouldn't say, C. wouldn't be said, If I'd known, I ______ you., could have helped, would help, might help, ______ your job, you will need enough money to sustain yourself for a few months., if you lose, whether you lose, had you lose, , we are going to go ahead with the plan, whether they like it or not, we'll go ahead with the plan, whether they like it or not, we are going to go ahead with the plan, whether or not they like it, , if he would find out who did it, he would kill them, if he found out who did it, he would kill them, if he had found out who did it, he would kill them, , you miss the train even if you take a taxi, you'll miss the train even if you take a taxi, Will Smith misses the train even if he takes a taxi, If I had known about your plans earlier, I ______ you., might warn, would warn, would have warned, If you __________ come to class more often, You __________ have passed the test, have / will, had /  would, Has / would, Had / will.

排行榜

视觉风格

选项

切换模板

恢复自动保存: