问题描述：
1.If he _________(not do)his best,he won't get ________(good)results in the exam.
2.The shop ________(sell) all kinds of caps.
3.His new novel is selling ________ (good).
4.The famous doctor saved many people's ________ (life).
2.The shop ________(sell) all kinds of caps.
3.His new novel is selling ________ (good).
4.The famous doctor saved many people's ________ (life).
问题解答：
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