--- I’m afraid I can’t return the book to you before Friday.
---_______.
A. Don’t be afraid B. Be careful
C. Forget it D. Take your time
They are so busy that they have no time to do any sports, ______they need to do so.
A. wherever B. whenever C. even if D. as if
I don't know _______.
A. how can I finish my homework on time
B. how I could finish my homework on time
C. I can how finish my homework on time
D. how I can finish my homework on time
Hurry up! The train ______. You know it ______ at 8:30 am.
A. leaves; leaves B. is leaving; leaves
C. leaves; is leaving D. is leaving; is leaving
The head teacher insisted that every minute ______ made full use of ______ for the mid-exam.
A. be; to prepare B. was; preparing
C. be; preparing D. was; to prepare
Hangzhou marathon is a race _______aim is to help people know the importance of taking exercise.
A. where B. whose C. which D. that
