高中英语特殊句式单选题

Only when you realize the importance of foreign languages        them well.

A．you can learn	B．can you learn
C．you learned	D．did you learn

The waste water, when _______，should be clean enough to meet standards.

A．releasing

B．being released

C．released

D．to be released

At no time       the rules of the game. It was unfair to punish them.

A．they actually broke	B．do they actually break
C．did they actually break	D．they had actually broken

The old couple have been married for 40 years and never once _______ with each other.

A．they had quarreled	B．they have quarreled
C．have they quarreled	D．had they quarreled

A warm thought suddenly came to me _______ I might buy some flowers for my friend's mother’s 60th birthday.

A．if

B．when

C．that

D．which

Only then __________how much damage had been caused.

A．she realized	B．she had realized
C．had she realized	D．did she realize

Only when your identity has been checked _________.

A．you are allowed in	B．you will be allowed in
C．will you allow in	D．will you be allowed in

.Only _____ as an interpreter _____ how important it was to practise speaking English.

A．when did I work…I realized

B．when did I work…did I realize

C．when I work…did I realize

D．when I worked…did I realize

I made a promise to myself _______ this year，my final year in high school，would be different．

A．whether	B．what
C．how	D．that

I made a promise to myself _______ this year, my first year in high school, would be different.

A．whether

B．what

C．that

D．how

__________ is a wooden tub used for gathering water chestnuts.

A．It pictured here	B．It is pictured here
C．Pictured here	D．Here pictured

So difficult __________ it to work out the problem that I decided to ask Tom for advice.

A．I did find	B．did I find
C．I have found	D．have I found

Hearing the dog barking fiercely, away __________.

A．running the thief	B．was running the thief
C．the thief was running	D．ran the thief

Nothing else ______ more important than water in the place like a desert.

A．we can’t find	B．can’t we find
C．can we find	D．we can find

— Did you know any French before you arrived in Washington?
— Never ______ it, actually.

A．had I learned	B．have I learned
C．I learned	D．was I learning