问题

The big fire in Shanghai, believed to ______ due to the burning of construction materials, caused

A:have occurred
B:occur
C:have been occurring
D:be occurring

正确答案是：

标签： big , fire , shanghai

同类题型

If (如果) he isn’t at school. Please call me _______ 453-7868. [ ]

You won’t ____ me ___ ,will you ?

Can you hear me?—No, I can’t. Would you please speak _________?

Tom is a tall man short hair.[ ]

When _____Jack ______for Shanghai?—–Tomorrow morning.