---Are you free after school?
---Sorry, I've planned to treat a friend of mine to dinner ______ for help.
A. in order      B. in return     C. in turn     D. in honor

It was purely ______ chance that the mistake was discovered.

A. in　　　　　　　　 B. for　　　　　　　 C. by　　　　　　 　 D. from　

—I haven’t seen you for ages. Where have you been?
   — I _______ on leave in Europe.
 A. have been           B. am
C. was                 D. had been

he man insisted ____ a taxi for me even though I told him I lived nearby .

A. find B. to find C. on finding D. in finding (2004 江苏 )

They have brought us ____ such mineral dirt.

A. a big number of　　　 B a great deal

C. quantities of　　　　　 D. a plenty of

The government has taken measures to _________ the high prices of daily goods to keep the market stable.

A. take down　 B. bring down　 C. hand down　 D. tear down

They are selling everything at a ___________ (折扣).

No one in the department but Tom and I ______ that the director is going to resign.

A.knows　　　　　　 B.know 　　　　　　 C.have known　　　　 D.am to know

Every student as well as teachers who　　 to visit the museum　 asked to be at the school gate on time.

A.is;is　　　　 B.are;are　　　 　 C.is;are　　　　　　 D.are;is