Put the ___ of your tongue against your upper teeth when you produce the sound.

A. tip B. top C. peak D. pole

Please make my excuse at tomorrow's meeting—I've got too much work _____.?

A. to do to come    B. doing coming?   C. to do coming     D. doing to come

It is so difficult a problem that _____ student in this class _____ work it out.?

　　A. any, can't        B. no, can?    C. every, can       D. no, can't??

The person we spoke to ____ no answer at first．

  A．making   B．makes   C．make   D．made

---- Are you sure you really want it for watching the Navy celebration in Qingdao?

----_______, I’m willing to pay____ you ask for.

A. No; no matter what   B. Yes; no matter what   C. No; whatever   D. Yes; whatever

-Do you think we can get there on time?

 -Yes，_______ the truck doesn’t break down.　

A. even if 　 B. unless

　 C. until 　   D. so long as

Smoking, _______ is a bad habit, is, however, popular.

A. that       B. which           C. it          D. though

—I‘d like a pen which _________ well.

—Will this one _________?　 A. writes； do 　 B. writes； work

　 C. is written； do 　 D. is written；work

Great changes have taken place since then in the factory _______we are working.

A. where         B. that           C. which      D. there

He isn't such a man ______he used to be.

A. who           B. whom         C. that        D. as