A cat, ______ it is a white one ______ a black one, is considered to be a good cat as long as it can catch mice.

A cat, ______ it is a white one ______ a black one, is considered to be a good cat as long as it can catch mice.

#55577

both; and

not only; but also

either; or

whether; or

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—Tom, you look tired this morning. What’s wrong?—I was so busy that I didn’t go to bed________12 o’clock last night.

#57218

until

when

though

unless

He was just leaving ________ the telephone rang．

#56061

while

when

until

—      go to bed too late, Lucy . — Sorry ,I won’t.

#55475

Not

Can’t

Not to

Don’t

Is your washing machine ____________ working?

#55583

don’t

doesn’t

won’t

not

It ____ yesterday.

#58428

took me two hours to finish the job.

spent me two hours to finish the job

took two hours me to finish the job

took me two hours finishing the job

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