21.A.proper B.same C.usual D.right
19.Mother told me that you are here till she comes.
A.waiting B.waited C.to wait D.wait
18.After the new technique was introduced, the factory produced trucks in 2004 as the year before.
A.as twice many B.as many twice
C.twice as many D.twice many as
17.I should prefer to be no discussion of my private affairs.
A.it B.that C.what D.there
16.-How beautiful the dress looks on you! Don’t you want , Madam?
-Well, please show me .
A.one; other B.it; other C.it; another D.one; the other
15. , they set out to break the record for cross – channel swim.
A.Well equipped B.Well equipping C.Well equips D.To be equipped
14.Try to at least half an hour each day for learning new vocabulary, and you’ll know more words.
A.take up B.set aside C.put away D.go about
13.When the spaceship traveled above, new – looking earth appeared before us, earth that we had never seen before.
A.the; the B.a; an C.an; the D.the; an
12.-Did you know any Chinese before you arrived in Beijing?
-Never it, actually.
A.had I learned B.have I learned C.I learned D.was I learning
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