C 既然,表原因
A 即使,表讓步
B 除非,表?xiàng)l件
D 雖然,表讓步
既然你已經(jīng)做出第一道題了,現(xiàn)在可以做第二道了B.unless 為何不對(duì)？如果選B除非，應(yīng)該說才除非你做對(duì)第一個(gè)題，否則就不能做第二題那后半句應(yīng)該用否定Unless you have worked out the first problem, you may not go on to work on the second那和時(shí)態(tài) have worked out the first problem有沒有影響？
( )you have worked out the first problem,you may go on to work on the second
( )you have worked out the first problem,you may go on to work on the second
( )you have worked out the first problem,you may go on to work on the second
A.even if B.unless C.now that Dthough
( )you have worked out the first problem,you may go on to work on the second
A.even if B.unless C.now that Dthough
英語人氣：175 ℃時(shí)間：2019-11-21 05:21:06
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