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Are the twins going to _____ at the party this evening?A.singB.singingC.sangD.have sung

题目详情
Are the twins going to _____ at the party this evening?
A.sing
B.singing
C.sang
D.have sung
▼优质解答
答案和解析
选A sing
be going to do表示将要做什么.是固定搭配.