Let's go climbing，shall we？
You _____ be joking!Don't you know I'm afraid of high places？（ ）
A．mayB．canC．mustD．should
Every year， books are donated to the children in poor areas．（ ）
A．millionB．millions
C．millions ofD．million of
The fish you bought yesterday smells ． You'd better throw it away．（ ）
A．goodB．badC．wellD．badly
The girl has to her grandma because her parents are working in another city．（ ）
A．look atB．look into
C．look throughD．look after
Is Jack's school beautiful？
Yes，it's as beautiful as ．（ ）
A．meB．myC．mineD．myself
I′m thirsty， Mom．
Here is bottle of water for you．（ ）
A．aB．anC．theD．/