School clubs are lively places where students are encouraged to _______ their interest．（ ）
A．developB．dependC．performD．overcome
Do you mind telling me ______？
Of course not．Remember "Keep Moving"．（ ）
A．how can I lose weight
B．where can I lose weight
C．how I can lose weight
D．where I can lose weight
It's a pity that ______ my teachers ________ parents allow me to swim alone．
After all you are too young， safety first． （ ）
A．either；orB．neither；nor
C．both；andD．not only；but also
About 20 million people in the world have no enough safe drinking water．
So we should ______ how to deal with the problems of water．（ ）
A．put onB．look after
C．think aboutD．get on with
It's reported that 31 of the brave young men ______ in a big forest fire in Sichuan．
I don't know who they are， but I know who they are for．（ ）
A．were killingB．were killed
C．killedD．had killed
He hardly had friends because he used to be mean．
But now he has changed a lot． He treats others _______ and is popular．（ ）
A．nicelyB．carelessC．rudelyD．heavily