问题

The passengers were ________in the traffic congestion which resulted from the accident ahead.

A:held out
B:held back
C:held up
D:held on

正确答案是：

同类题型

that they may eventually reduce the amount of labor needed onconstruction sites by 90 percent

My grandpa is going to be years old this year. He will have his birthday party this Saturday evening.

Being not far the sea, London is famous its fog.

It’s too hot. What about having aglass of cold drink -______!

This novel is written in ______easy English ______beginners can understand