---We cant be successful we keep on working hard.-I agree with you.A. ifB. becauseC.

发布时间：2020-08-22 01:25:15

---We can't be successful       we keep on working hard.
---I agree with you.
A. if
B. because
C. unless
D. until

网友回答

A. if
B. because
(答案→)C. unless
D. until
解析：连词unless意为“除非……如果不……”，“除了……”，多引导一个否定意义的真实条件句，有时也可引导非真实条件句。
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