A number of tests have been conducted to _________ that these drugs have no side effects.

A. find out　 　 B. look for　　 C. make sure　　 D. work out

--- What are you going to do next?

--- To write a science story about outer space ___ by Science and Technology Press.

A. published　　　　 B. being published

C. to be published　 D. publishing

The teacher asks us not to stand up until _____ in the English class.

  A. told  B. being told   C. told to   D. having told

Usually John would be late for meetings. But this time,   ____ to my surprise, he arrived on time.  
 A little      B. much      C. ever      D. even

The computer was used in teaching. As a result, not only _________, but students became more interested in the lessons.

A. saved was teachers’ energy　 　　 B. was teachers’ energy saved

C. teachers’ energy was saved 　　　 D. was saved teachers’ energy

Football，　　 is a very interesting game，is played all over the world．

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

Mary was frightened, but she stayed _______.

A. silent　　　　　 B. quiet　　　 C. calm　　 D. still

—Come on，please give me some ideas about the project.?

—Sorry.With so much work　　　　 my mind，I almost break down.?

A.filled　　　　　　　　 B.filling?　　　　　　

C.to fill　　　　　 D.being filled

This is very good music for us to _______.

A.dance　　　 B.sing for　　　 C.dance to 　D.sing