高中英语状语从句综合单选题

You seem to have a readymade answer ________ I ask you a question.

A．whenever	B．whatever
C．whichever	D．whoever

Steve was busy clearing the cups and dishes from the table ________ others were playing.

A．until	B．if
C．since	D．while

________ it is, the boy never seems to be able to finish it off.

A．However interesting a book

B．Whatever interesting a book

C．How interesting a book

D．What an interesting book

The new system needs to be in operation for five months ________ it can be updated.

A．as	B．while
C．before	D．once

We can't wait any longer ________ we'll miss the plane.

A．or	B．but
C．so	D．yet

House prices vary from place to place and are usually high ________ there are famous schools.

A．when	B．since
C．where	D．whether

It will be another 50 years ______ our country is expected to reach the level of a medium developed country.

A．since	B．before
C．that	D．when

Jerry has promised to keep the secret, so he won't tell anyone ________ asked to.

A．until	B．now that
C．unless	D．even though

The movie Life of Pi is so attractive that it holds the audience's curiosity ________ the story reaches the end.

A．until	B．before
C．after	D．when

________ H7N9 is a deadly virus, it is still safe to eat thoroughlycooked chicken.

A．Until	B．While
C．If	D．Since

I will accept Guy coming with us, ________ he pays for his own meals.

A．only if	B．so that
C．ever since	D．even though

Scientists are warning that ________ emissions of carbon (碳排放) are cut, we could be heading for an environmental disaster.

A．before	B．as
C．unless	D．in case

——Did you inform Helen of the plan put forward at the meeting?
—Of course. ________ I saw her.

A．So long as	B．If only
C．The moment	D．Any time

Please call my secretary to arrange a meeting this afternoon, or ________ it is convenient to you.

A．whenever	B．however
C．whichever	D．wherever

She usually keeps her valuables, such as jewels and money, ________ she believes secure.  

A．even if	B．in case
C．where	D．that