条件状语从句 知识点题库

Don't call me at the office ________ it is necessary.

A . before B . unless C . although D . till
Take short walks to calm down, or, _________, simply take a day off.

A . if necessary B . if not C . if ever D . if so
If ______ to look after luggage for someone else, inform the police at once.
A . asked B . to ask C . asking D . having asked
_______ 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
Change is just an empty word       you have the experience to do something to get it done.
A . though B . unless C . after D . when
John thinks it won't be long he is ready for his new job.
Doing your homework is a sure way to improve your test scores, and this is especially true ____ it comes to classroom tests.
A . before B . since C . when D . after
______ I know the money is safe, I shall not worry about it.

A . Even though B . Unless C . As long as D . While
They haven't solved the problem yet ._____she had listened to what he said!
A . Only if B . If only C . Even if D . As if
—Let's go fishing if it ________ this weekend.

—Good idea.

A . don't rain B . won't rain C . will rain D . doesn't rain
_______ 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
—Tom, you won't make much progress ________ you work really hard.

—Ok, I will try my best.

A . if B . though C . unless D . when
 (assume) you are right, we'll make a great deal of money from the project.
— Where are we going for dinner?

— I don't mind where we go ________ there's my favorite food sushi.

A . in case B . as soon as C . now that D . so long as
She hasn't got any hobbies____ you call watching TV a hobby.
A . when B . unless C . until D . once
Many black American people live in poverty. The situation will not change much  the government takes effective measures.
Hardly      the bus suddenly pulled away.
A . they had got to the bus stop than B . they got to the bus stop than C . did they get to the bus stop when D . had they got to the bus stop when
If you feel one of your teammates isn't pulling their weight, _____________.
A . and then you raise your concerns in a professional way. B . and then raise your concerns in a professional way. C . then raise your concerns in a professional way. D . then raising your concerns in a professional way.
(give)that he brings his little sister, what would we do with?
We won't get good grades in P.E ________ we keep exercising every day.
A . if B . because C . unless D . since