问题描述：
1.I w___ what they did yesterday.2.Your bag is n
1.I w___ what they did yesterday.
2.Your bag is not so big a___ his.
3.The baby is too young.He can h___ look after himself.
4.It's a good h___ to go for a walk after supper.
1.I w___ what they did yesterday.
2.Your bag is not so big a___ his.
3.The baby is too young.He can h___ look after himself.
4.It's a good h___ to go for a walk after supper.
问题解答：
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