I never doubt _________his advice is of great _______to me.

A. that, valuable

B. why, value

C. why, valuable

D.that , value

---You haven't been to the mountain, have you ?

---_______.I'll go there next week. It will be the first time for me.

A. Yes, I have.

B. Yes, I haven't.

C. No, I haven’t.

D. No, I have

“I’m a singer” is _______ an interesting TV show ___ many people like watching it.

A. so, that        B. so, as

C. such, that       D. such, as

---Don’t forget to hand in your homework, Tom, will you?

---Sorry, I promise_______.

A. I won’t      B. I will

C.  I don’t     D. I do

---Will you go shopping with me this afternoon?

---____,if Tom does.

A. So I will            B. So will I

C. So do I              D. So I do

---Look! _________ clean the classroom looks !

---Yes. I’m sure somebody __________ it up.

A．What , has cleaned

B．How , cleaned

C．What , cleaned

D．How ,has cleaned

Wars are disasters. A large number of people will lose their homes if a war    .

A. breaks out      B. breaks down

C. breaks up      D. breaks off

---How do you like the story?---Interesting,_______ the end of it is not perfect.

A. though               B. so

C. or                   D. because

You are working too hard. You’d better keep a__________ between work and relaxation.

A. promise          B. secret

C. balance           D. diary

Some people won’t realize the value of their health ________they lose it.

A. after            B. until

C. as               D. when