Mike has much difficulty ________ Chinese so he often asks me ________ help．

A．to understand, with

B．understanding, of

C．to understand, for

D．understanding, for

As a policeman , you must ________yourself and ________your work．

A．strict in ; with

B．be strict in; with

C．be strict with ; in

D．strict with ; in

I decided not to wait any longer ________ I waited for him at the station for two hours．

A．before

B．after

C．if

D．til

You'd better ________ others during the night．It's not polite．

A．phone

B．not phone

C．to phone

D．not to phone

The movie Batman and Joker is ________ one that I've ever seen．

A．more exciting

B．more excited

C．the most exciting

D．the most excited

Their school has more than two ________ teachers and ________ students．

A．hundreds of, thousands of

B．hundred, thousands of

C．hundred of, thousand

D．hundreds, thousands of

The________ you are ,the ________ mistakes you will make．

A．more careful , fewer

B．more careful , less

C．more careful , few

D．careful , little

I won't leave the classroom until my homework ________．

A．finishes

B．is finished

C．will finish

D．are finished

________is impossible if you put your heart into it．

A．Anything

B．Something

C．Everything

D．Nothing

Can you tell the differences ________'farther'________'further'?

A．from;to

B．from; and

C．among; and

D．between; and