_______ you can sleep well, you will lose the ability to focus, plan and stay motivated after one or two nights.

1. _______ you can sleep well, you will lose the ability to focus, plan and stay motivated after one or two nights.

A. Once B. Unless C. If D. When

【考点】

引导条件状语从句的连词; 条件状语从句;

【答案】

您现在未登录，无法查看试题答案与解析。登录

单选题普通

1. —Mr. Robert, I'd like to take a gap year to volunteer for a global anti-Aids campaign.

—That's great, ________ you can afford the time.

A. provided that B. in case C. even if D. so that

单选题普通

2. —Why do you drink so much coffee?

—Well, it doesn't keep me awake in the night, I see no harm in it.

A. when B. as long as C. as though D. while

单选题普通

3. _____ I make a promise to help others, I will manage to complete it.

A. Although B. Once C. Unless D. Before

单选题普通