We can have ___ blue sky if we create ___ less polluted world.
A.a. a | B.a, the | C.the, a | D.the, the |
–Hi , Ann. How can you improve your English so much?
--Oh, nothing difficult. The you work at it, the progress you will make.
A.harder, more | B.more hardly, more |
C.hardlier, greater | D.harder, great |
—Mum, I think I’m to get back to school.
—Not really, my dear. You’d better at home for another day or two.
A.so well; stay | B.well enough; to stay |
C.well enough; stay | D.good enough; to stay |
Would you mind me how this physics problem ?
A.telling; to solve | B.telling; solve |
C.to tell; to solve | D.to tell; solve |
. —I think Mr Zhang may be in his office.
—No, he be there. I saw him just now.
A.needn’t; left | B.mustn’t; leaving |
C.can’t; leave | D.shouldn’t; leave |
—What do you think of the new bridge?
—I have never seen _____ before.
A.so a long one | B.so long one |
C.such a long one | D.a such long one |