问题描述：
1.Please____me the salt.(past)
2.Lily_____a nice weekend.(have)
3.______ _______nervous,you'll pass it.(not be)
4.‘______ SMOKING’means‘Don't smoke'or ‘You can't smoke here’.(not)
2.Lily_____a nice weekend.(have)
3.______ _______nervous,you'll pass it.(not be)
4.‘______ SMOKING’means‘Don't smoke'or ‘You can't smoke here’.(not)
问题解答：
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