________and short of breath，Andy and Ruby were the first to reach the top of Mount Tai.
A．To be tired B．Tired C．Tiring D．Being tired
It is reported that many a new house________at present in the disaster area.
A．are being built B．were being built
C．was being built D．is being built
—I'm not finished with my dinner yet.
—But our friends________for us.
A．will wait B．wait C．have waited D．are waiting
I________all the cooking for my family，but recently I've been too busy to do it.
A. will do B．do C．am doing D．had done
Let's go out now. It ________ any more.
A．didn't rain B．doesn't rain
C．won't rain D．isn't raining
Teenagers________their health because they play computer games too much.
A．have damaged B．are damaging
C．damaged D．will damage
