单选题 There is a lot of work to be done this week.

单选题 People ( ) less active nowadays.

单选题 When you are feeling ( ),do ( ) exercises.

单选题 I feel really bad.

单选题 How long have you been ( ) this?

单选题 结果

单选题 we enjoy ( ) in front of screen.

单选题 A preschool teacher may have the internship in a ( ).