--- What do you think of the math problem ?
--- It’s very hard and nobody has _______.
A. put it out B. helped it out
C. worked it out D. solve
—Come and join us, Jimmy!
---I’m sorry, but I’m really busy now. If I ________ time, I would certainly go.
A.will have B.have had
C.had D.have
The environment is becoming worse and worse. I think we should do something to ____ people ____ cutting the trees in order to protect the earth.
A. stop, from B. help , out
C. stay , away from D. stop , for
Our class won the first prize in the match. ______ the news was!
A. How exciting B. What exciting
C. What excited D. How excited
---- Our city is developing so fast.
----Yes. Many modern buildings _____ in the city next year.
A. are built B. will build
C. will be built D. will be build
_____ you read the sentences , _____ mistakes you’ll make.
A. More carefully, fewer
B. The more carefully, the less
C. The more careful , the fewer
D. The more carefully, the fewer
