問題詳情

19. The exam won’t start _____ all students have put their books into their school bags.
(A) until
(B) if
(C) when
(D) after

參考答案

答案：A
難度：非常簡單0.9
書單：沒有書單，新增

用户評論

【yuwen2797】評論

The exam won’t star☆ ☆☆☆☆☆ ...

【selinakuo1978】評論

直到…才…not...........untilNot until…V+S (倒裝)it is not until ….that +子句