题干
— Why don't you ________ us to Huai'an?
— That's a good idea.
A：join
B：join in
C：joining
D：joining in
答案(点此获取答案解析）
A
— Why don't you ________ us to Huai'an?
— That's a good idea.
A：join
B：join in
C：joining
D：joining in
