问题: 英语问题
什么时候用-ING形式，什么时候用to do形式？
1 __late in the morning ,bob turned off the alarm. A to sleep B sleepling C sleep D having sleep
2 To learn english well,we should find opportunities t hear english __ as much as we can.
A speak B speaking C spoken D to speak
3__ the main idea of each paragraph.
A Finding B found out C find out D to find out
麻烦各位解释详细点呀``让我这英语白痴能看懂
解答:
1.A to do 表示目的，Tom的目的是sleep late in the morning
2.C 听English被说
3.C很明显的祈使句
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