A well-written composition__________ a good choice of words and clear organization among other things.
A.calls on | B.calls for | C.calls up | D.calls off |
Some researchers believed that there is no doubta cure for AIDS will be found.
A.which | B.that | C.what | D.whether |
You’d better _____ some money for special use.
A.pick up | B.set aside | C.put off | D.give away |
Many studentspreparing for the midterm examination.
A.are engaging in | B.are engaging themselves |
C.are engaging themselves | D.are engaged in |
________ from space, the earth , with water_______ seventy percent of the surface , looks like a blue ball.
A.Seen ; covered | B.Seen![]() |
C.seeing ; covering | D.Seeing ; covering |
— What made her so sad?
— _____ she failed in the examination.
A.That | B.Because | C.As | D.Since |