16. Jack: Hi, David. We are playing basketball. Come and join us! David: Sorry, I _____. I have to go home now.
(A) am not
(B) can’t
(C) don’t
(D) wasn’t

答案：登入後查看
統計： A(50), B(617), C(51), D(7), E(0) #711402

詳解 (共 1 筆)

#997309
受邀請要拒絕的用法
can't = 不能/無法
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