----Try your best, you will fall behind.

A. and , B. or C. but D. so

--- Have you found your mobile phone? --- No, I haven't found_________ .

A. one B. that C. it D. this

----The joke is the funniest one that I've ever read.

---- But I don't think it will be liked by_______

A. anybody B. nobody C. somebody D. everybody

----John keeps looking at his watch from time to time. Why is he so ?

A. dishonest B. unhappy C. impatient D. unlucky

----It is so sunny today. What can I do?

---- why not ______ several friends to go hiking?

A. to invite B. invite C. inviting D. invited

----It's necessary and important for them students at school to join the Clean Plate Campaign (光盘行动) .It's good for them to form good habits.

--- Sure. We should try to all the food that we've ordered.

A. give up B. eat up C. mm up D. put up

----Would you mind my sitting here? ---_____________ . It's for my sister.

A. You'd better not B. Of course not C. Certainly not D. Not at all

---- Mary her brother likes eating Chinese food. They think it is delicious.

A. Both; an B. Neither; nor C. Either; or D. Not only; but also

----Millie, where is Miss Li?

----She a speech on Chinese art to the first-year students in the hall.

A. gives B. gave C. is giving D. has gone

----When did you go to bed last night? ---_________ .

A. Until 11 o'clock B. since my mother came back

C. Until I finished my homework. D. Not until my mother came back