我国教育行政机关机构改革的关键在于
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The goods are packed in cartons interlined with________ material.
To get the job started,____ I need is your permission.
It is imperative that you ____ here in time.
Tammy: Someone is at the doctor.
Richard: ______.
There are many ___to do so for the participants.
The time has come _____ we make extensive use of nuclear energy.
Perhaps the customer has ____ his monthly statement and not paid the bill.
Scheduling a meeting is simple-but does not ensure _ _ it will serve a useful purpose.
Do you know the reason ____ he was late?
On no account ____ ever leave the baby at home alone.