问题
选择题
155. The teacher was a little angry because the students didn’t _____ their exercise books on time.
A．hand out
B．hand to
C．hand in
D．hand on
答案
答案：C
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155. The teacher was a little angry because the students didn’t _____ their exercise books on time.
A．hand out
B．hand to
C．hand in
D．hand on
答案：C