If better use is ________ your spare time, you'll make good progress in doing your homework．

A．spent

B．taken

C．used for

D．made of

－Wow, your picture looks splendid!

－I ________ it on my computer．

A．drew

B．draw

C．will draw

D．had drawn

Helen is much more kind to her youngest child than to the others, ________ of course, makes the others unhappy．

A．who

B．she

C．which

D．that

Tom ________ Jack and Jane has been asked to do the job．

A．and

B．or

C．as well as

D．besides for

My boy, you ________ play with fire; you ________ hurt yourself．

A．won't; can't

B．mustn't; may

C．mustn't; must

D．couldn't; might

I have no doubt ________ you will be warmly welcomed．

A．whether

B．if

C．that

D．which

He is ________ to help you when you are in trouble．

A．likely

B．possible

C．be able to

D．may be

These apples taste ________．

A．to be good

B．to be well

C．well

D．good

The extra room ________ very useful when we had visitors．

A．was proved

B．proved

C．has been proved

D．has proved

Please ________ where to begin and how to do it．

A．explain us

B．explain it us

C．explain to us

D．explain it to us