--- Were you at school when he came to see you ?
---- Yes, I __________ a math class .
A. had           B. was having        C. am having

I often __________ my homework after supper. But yesterday evening, I _________ TV.
A. do; watch      B. did; watched       C. do; watched

. --- I’ve got the final Harry Potter book.
--- You will love it . I  __________ it twice already .
A. am reading      B. have read      C . was reading

–What did the radio say just now?
- Sorry. I didn’t catch it. I _____ something else.

- Didn't you see the sign "No Fishing!" on the right?
- Sorry, I didn't. But now I know fishing_______ here.

- Is there anything wrong, Tom? You look sad.
- Oh. nothing much. In fact, I_______ of my friends back home.

--- ____________ my glasses? I can’t read without them.
--- I ____________ them on the desk, but they are not there now.

-- What would you like to do this Sunday?
-- If it        rain, I       to Mount Tai for a spring field trip.
A. not; will go     B. doesn’t, will go   
C. won’t; will go

Don’t worry. He ________ you as soon as he gets home.

—Oh, you look tired. Why?
—I ________ to the Great Wall yesterday. It was really wonderful.