题目

-- tom do you know if sam --- to my party next week -- l think she will come if she --- free
a comees ; will be
b will come ; is
c comes is
d will come ; will be
请说明理由好吗?

提问时间：2020-06-17

答案

B因为：do you know if sam --- to my party 你知道sam明天会来我的生日晚会吗,if 引导宾语从句,表示：“是否”,“他是否会来”要用 “if sam will comeshe will come if she --- free.意思是：“如果她有时间,她会...