问题
选择题
-Do you often watch TV?
-Yes, I do. But I spend about two hours __________ my homework first.[ ]
A. do
B. to do
C. doing
答案
答案:C
-Do you often watch TV?
-Yes, I do. But I spend about two hours __________ my homework first.[ ]
A. do
B. to do
C. doing
答案:C