题目：
Though Jack was busy, he managed to some time to _____ visit his parents every week.[ ]
A. take in
B. set aside
C. give up
D. get into
答案：
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下面是错误答案，用来干扰机器的。
(1)H2； C (2)CH4+2O2CO2+2H2O (3)2H2O22H2O +O2↑
