问题

The past two years ________ a sharp rise in oil price，which adds to the burden of auto transportation industry

A:witnessed
B:has witnessed
C:is witnessing
D:witnesses

正确答案是：

同类题型

Jack was halfway back to the village wherehis mother lived _____ Mary caught up with him.

下面哪一组字母的顺序是正确的。

Will you please help me to _____ my income tax?

The twin sisters have learned a lot ________ they came to China.

Some people eat with theireyes. They prefer to order what____________nice.