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【单选题】
Jack felt grateful to his teachers ______ he couldn't find words to express it. [ ]A.
as if
B.
even if
C.
so that
D.
now that
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举一反三
【单选题】I ______ go to bed until I ______ finished my work. a. don’t/had b. didn’t/have c. didn’t/had d. don’t/have
A.
don’t/had
B.
didn’t/have
C.
didn’t/had
D.
don’t/have
【单选题】---- You didn’t do your homework _______, Tom. ---- I’m sorry, mom. But I don’t have ______ for such things.
A.
careful enough; enough time
B.
enough careful; time enough
C.
carefully enough; enough time
【单选题】设int a=3,b=4,c=5,则下面表达式中,值为0的表达式是( )。
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