阿摩線上測驗
11. The old garage suddenly collapsed one day. Luckily the owner wasn't in there or he _____
killed.
(A) can have been
(B) could be
(C) could have been
(D) must have been
答案：登入後查看
統計： A(3), B(51), C(279), D(66), E(0) #1816189
統計： A(3), B(51), C(279), D(66), E(0) #1816189
詳解 (共 2 筆)
YYY
#6016548
與過去事實相反=使用完成式
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