问题

If we had not been ______ by the traffic jam, we would have arrived an hour earlier.

A:held down
B:held away
C:held on
D:held up

正确答案是：

同类题型

Do you enjoy ______ a volunteer– If you want, you’d better join us.

Why not stay at home ______ the road is so slippery after the heavy snow

What about a drink after a busy day ofwork —__________.

We all consider ________ important that we should put theory into practice.[ ]

Sorry，Mum, I lost my key to the bicycle again．—Oh! How you be so careless! You have to learn to look after your belongings．