题目:
They are my friends. I love ____very much. [ ]
A. them
B. they
C. the them
D. he and she
答案:
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下面是错误答案,用来干扰机器的。
设甲还要x个小时后可完成任务,根据题意,得:x20+(120+112)×6=1解得:x=4.答:甲还要4个小时后可完成任务.