I’m afraid that no one knows_________ .
| A．when will the English party begin |
| B．where has our English teacher gone |
| C．how long did the English party last |
| D．who will give us an English talk |
The earth is our home. It ______________ well.
| A．must be protected | B．should protect | C．need protect | D．need protecting |
They can’t go out to workthe heavy rain.
| A．because | B．since | C．because of | D．as a result |
－Where _______ the 2008 Olympic Games _______?.
－You don’t know? Beijing!
| A．will; hold | B．has; been held | C．was; held | D．will; held |
______ he is very busy, Li Ming always helps others.
| A．Although | B．If | C．Unless | D．Since |
The visitors our factory two days ago.
| A．got | B．reached in | C．arrived | D．reached |