Ⅰ. 单项选择(30分)
( )1. They can do all kinds of sports that they like ______ 4:00 to 6:00 pm every day.
A. from B. before C. after D. between
( )2. He doubted ______ the book was worth ______ .
A. if; to read B. that; reading
C. whether; reading D. that; to read
( )3. After supper, Bob’s father was watching TV ______ his mother was washing dishes.
A. when B. while C. as D. if