A. Doing their lessons now.
B. Helping with each other.
C. Making a telephone call.
4. Why did George go to see the doctor?
[ ]
A. Because he was ill.
B. Because his mother was ill.
C. Because the doctor was his friend.
5. How much do you have to pay for one ticket to Loudi?
[ ]
A. 10 yuan.
B. 14 yuan.
C. 28 yuan