单项选择题
A.look up B.look into C.look after D.look out
--Are you free in July? --No, I（）with my parents in Jul...
单项选择题--Are you free in July? --No, I（）with my parents in July.
A.stay B.stayed C.have stayed D.am staying
Next year, I（）plan to go Italy.A.amB.–（不填）C.hadD.have
单项选择题Next year, I（）plan to go Italy.
A.am B.–（不填） C.had D.have
（）they are doing has never been done before.A. ThatB. W...
单项选择题（）they are doing has never been done before.
A. That B. What C. Why D. Whether
