问题
选择题
If he can ____________ a little longer,we can get help for him. [ ]
A.hold up
B.hold on
C.keep up
D.keep on
答案
答案：B
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If he can ____________ a little longer,we can get help for him. [ ]
A.hold up
B.hold on
C.keep up
D.keep on
答案：B