问题

Many people are ________ as to what to do when there is a fire

A:at a loss
B:at risk
C:at ease
D:at a distance

正确答案是：

同类题型

What surprised me most was not what he said but _____ he said it. [ ]

We rushed to the football court, only to see a sign _____ into the ground reading PERIODIC MAINTENANCE (定期维修).

Taken good care of by the students, the young trees are growing taller and taller ______ [ ]

China successfully_____ Shenzhou V manned spacecraft into space in 2003.

How is your grandma— She’s fine. She used to _______ TV at home after super. But now she is used to ________out for a walk.