A．at a lossB．at lastC．in groupD．on the occasion

Where is Ms. Miller？A．At the meetingB．In the washroomC．At the lunchD．On a business trip

答案解析

【C14】A．On the contraryB．On the other handC．In additionD．At last

答案解析

A．At weekends.B．On weekdays.C．Late in the week.D．On Thursday.

答案解析

【C17】A．in returnB．in turnC．on the turnD．at every turn

答案解析

Restructuring in the telecom businesses is ______.A: in handB: on handC: by handD: at

答案解析

Where did the man see the woman yesterday？A．On television.B．At registration.C．In class.D．A

答案解析

He has been for five years.A. in prisonB.in the prisonC.on prisonD.at the prison

答案解析