Please______that the quality must strictly conform to the sample.( ) A: see it B: see to it C: see D: see at

Please _____ that the quality must strictly conform to the sample. A: see to it B: see it C: see at

If only grandmother ____ this together with us now. A: will see B: should see C: must see D: could see

You ________ him off yesterday. A: must have seen B: must see C: can have seen D: can see

Such films _____ by children like you. A: must be not seen B: must not be see C: must not seen D: must not be seen

【判断题】One of the must-see attractions to visit on the East Coast must be the Niagara Falls in the state of Pennsylvania, which is divided into three waterfalls. They are American Falls, Horseshoe Falls A.对 B.错 答

我们得不断分析环境变化，看是否有必要改变原来的计划。 A: We must constantly analyze changes in the environment to see if there was a need to change the original program. B: We must constantly analyze changes in the environment to see if there is a need to change the original program. C: We must constantly analyze changes in the environment to see Whether there was a need to change the original program. D: We must constantly analyze changes in the environment to see that if there is a need to change the original program.

Astronauts must take a series of tests to see whether they are capable of living in space.

— I think I saw John yesterday. A: You _____ him, for he is now in the U.S. B: can't see C: can't have seen D: may not see E: must not see

We must ______ the feelings of other people. A: prevent B: consider C: think D: see