—We can't be successful ________ we keep working hard.—I agree with you.

题型：单选题题类：常考题难易度：普通

牛津版（深圳•广州）初中英语九年级上册Module 2 Ideas and viewpoints Unit 3 Family life 综合复习

—We can't be successful ________ we keep working hard.

—I agree with you.

A、if B、unless C、because D、when

举一反三

— It will be worse we take action to protect the environment.

—Oh, we won't have supper_______ your dad comes back.

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