Allan has a pet dog． I often see him ______the dog in the morning．（ ）
A．walkB．walksC．walkedD．to walk
Every year， _________books are given away to the poor children in the countryside．（ ）
A．thousandB．thousands of
C．thousand of
Who is ________ woman in red？
She's our chemistry teacher， Miss Li（ ）
A．aB．anC．the
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