问题

The 2010 World Expo _____ in Shanghai isexpected to attract more than 70 million visitors from home and abroad.

A:to hold
B:to be held
C:held
D:to be holding

正确答案是：

同类题型

It’s time for lunch, Mum! I am hungry.—_____________________.

Never form the habit of smoking because it ______ human beings.

下列画线字的注音，全都正确的一项是（）

The boy decided to climb the mountains _______ he knew he would face many difficulties.

If your mother doesn’t agree, there is nothing you can do____than stay at home.