~~~帮忙选择个答案！！！！！！！1

They often _________ a lot of time _________ their students. (4 分)
A. took, to help
B. took, helping
C. spent, to help
D. spent, helping

She has to ask for _________ leave. (4 分)
A. two day
B. two days
C. two day's
D. two days'

Many children in China like to play _________ . (4 分)
A. piano and bridge
B. the piano and the bridge
C. piano and the bridge
D. the piano and bridge

Do you know _________ ? (4 分)
A. who is the man
B. who the man is
C. the man is who
D. the man who is
第一个选择C和最后一个选择A肯定都是错的
因为我也这样选择的

~~~帮忙选择个答案！！！！！！！1 为什么选择第二个答案？ 帮忙给个答案 关于选择工作帮忙做个决策(满意答案另加20分) 这两个男人，怎麽选择。帮忙给个答案，这答案对我德幸福有很大关系 帮忙做个选择 请帮忙给个答案！ 帮忙给个答案，谜语！ 帮忙给个答案吧`````？ 帮忙给个数学题答案