Mr. Smith__________ the roll of film as soon as he arrived home

A. got down to wash               B. got down to develop

C. got down to washing            D. got down to developing

Children under six are not ___________to school except those of extraordinary intelligence.  

A. permitted       B. admitted     C. accepted         D. received

Up to Tuesday's attack, the worst school shooting in the U. S. was in March 1998 in Jonesboro,______two boys, aged 11 and 13, shot and killed a teacher and four girls.

A. while         B. where          C. when         D. then

On the long journey, Peter ________ a most interesting guide. We all had a wonderful time.

A. practiced        B. behaved        C. proved      D. conducted

___________she was invited to the ball made her very happy.

A. What           B. That              C. When           D. Because

Scientists say it may be five or ten years___________ it is possible to test this medicine on human patients.

A. since           B. before        C. after     D. when

 He waited until it was dark ____ nobody could see him clearly.

A. so that         B. in order to        C. although           D. however

He was so pleased with all ______ we had done for him _____ he wrote us a letter to praise us for it.

A. what; what   B. what; that     C. that; what    D. that; that 

 For quite _____ students，their teacher's advice is more important than _____ of their parents'．

A．few；one                       B．a few；that

C．a little；some                 D．a lot；many

Mr and Mrs Scott prefer a restaurant in a small town to　　  in so large a city New York.

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