1.We shouldn't l______ at those who are in trouble. 2.T_____ they are poor,they are happy.
问题描述：
1.We shouldn't l______ at those who are in trouble. 2.T_____ they are poor,they are happy.
3.Liu Mei has no i_______ in math at all
4.It's necessary ______(have) a few friends in our life.
5.He doesn't know how _____(use) the camputer.
答
1.We shouldn't laugh__ at those who are in trouble.2.Though_ they are poor,they are happy.
3.Liu Mei has no idea in math at all
4.It's necessary _to have__(have) a few friends in our life.
5.He doesn't know how _to use_(use) the camputer.