______ I admit that all these problems are difficult, I don’t agree that they can’t be solved.
A.Unless | B.While | C.Until | D.Since |
.
Water can absorb and _______ a lot of heat without big changes in temperature.
A.give up | B.give out | C.give away | D.give off |
.
Han Han, a young writer, is famous _______ his novels.
A.for | B.as | C.to | D.with |
.
Of all the works Stevenson has written, Treasure Island is probably his _______ work.
A.well-known | B.more-known | C.most-known | D.best-known |
.
The reason for their failure, you know, was _______ they didn’t get fully prepared for it.
A.why | B.whether | C.that | D.what |
.
. John promised his parents he _______ not smoke again, and he has not smoked ever since.
A.would | B.could | C.should | D.might |