Most of the choices appear to be          ones that you are familier with, but after taking          second look, you will find that they are different.

A. /; the           B. the; the             C. the; a               D. /; a

Now the air in our city is _______ than it used to be. Something must be done to stop it.

A. very good        B. much better          C. rather bad      D. even worse

---Did you return Helen’s call?  

---I didn’t need to _________I’ll see her tomorrow．

A．though       B．unless               C．when             D．because

---What ________ he say to you just now?

  ---He told me that he ________ his key in the room.

A. did; leave   B. does; left  C. did; had left            D. do; had left

John, you          play with the knife, or you          hurt yourself.

A. won’t; can’t     B. mustn’t; may         

C. shouldn’t; must     D. can’t; shouldn’t

__________news! Our family will go to Guilin for a ________visit.

A.What an excited ; six days’                  B. What excited ; six days’

C. What an exciting ; six-day                   D. What exciting ; six-day

If the question ______ incorrectly, _______ question will be given to you

A. is answered, other                           B. answers, other

C. is answered, another                         D. answers, another

The scientist’s last words _________us that we should protect the environment around us.

A. recommended     B. remembered      C. replied          D. reminded

---Look at those shoes, Mike!

  ---Wow! They look very cool, but I wonder ________.

A. how much are they                       

B. how much do they cost

C. if my parents will buy them for me          

D. that my parents will buy them for me

---Mr Wang, I have trouble ________ the text.

   ---I’m sure you can, but remember ________ it at least three times.

A. to understand; reading                 

B. understanding; reading          

C. to understand; to read                  

D. understanding; to read