— Could we practice playing the guitar in the hall, Sir ? —No , __________

— Could we practice playing the guitar in the hall, Sir ?                  —No , ___________ you have the principal’s (校长) note.

#55372

unless

because

since

推荐题目

– Can you come to my birthday party? – I’m sorry, ______ I can’t come.

#55933

and

but

then

 — 　　　 times did you do exercise last week?   — Twice.

#56327

How often

How much

How many

How long

The boy ___________ go to bed _________ his mother came back.

#58156

won’t ; until

didn’t ; until

will ; until

won’t ; before

My sister still wanted to go to school ____ she was ill.

#57022

because

before

although

It _______ them two weeks _______ the computer last year.

#58490

takes; to work on

spends; working on

took; to work on

spent; working on

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