问题

If we can’t put our hands ________ some food andwater, we shall have nothing to eat.
A:as long as
B:at
C:on
D:with
B:at
C:on
D:with
正确答案是:
同类题型
He ________ be more than thirty—— he looks so young, just like a teenager!
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After ____ seemed like hours he came out with a bitter smile.