[     ]

A. How often; Twice a month
B. How long; Three times a week
C. How, Once two months

1. She has studied English for three years. (改为一般疑问句)
    ________ she________ English for three years?
2. To protect the environment is important. (同义句)
   It is important ________ ________ the environment.
3. I have been to Shanghai twice. (对画线部分提问)
   ________ ________ times have you been to Shanghai?
4. We watch TV once a week.( 就画线部分提问)
    ________ ________ do you watch TV?
5. We must put some books in the bag. (改为否定句)
    We ________ put ________ books in the bag.

[     ]

A. How long
B. How far
C. How soon
D. How much

[     ]

A. How many
B. How much
C. What kind of

1. Could you please go to the park this afternoon?
    _______ _______ going to the park this afternoon?
2. She played the violin at the age of ten.
    She played the violin _______ she was ten _______ old.
3. Mr Green decided to move to an interesting place.
    Mr Green decided to move to _______ _______.
4. Jack is more careful than any other student in his class.
   Jack is _______ _______ careful in his class.
5. Most of us in our class walk to school every day.
   Most of us in our class go to school _______ every day.