Don't come into the lab________ you are asked to.
Don’t come into the lab ________ you are asked to.
A.unless B.until C.because D.since
人气：181 ℃ 时间：2020-02-05 23:12:52
解答
Don't come into the lab （A.unless） you are asked to.
如果没有叫你的话,就不要进这间实验室.
unless,除非,相当于if not.
推荐
猜你喜欢
