选修7 Units1-3检测题 卷一
I.单项选择
1.It is _____ world of wonders, _____ world where anything can happen.
A. a; the B. a; a C. the; a D. /; /
2.---Tom, you ____ books about. Look, what a mess in your study!
---Sorry, Mom. I won’t do that again.
A. have always thrown B. always throw
C. are always throwing D. always threw
3.---Mum, can I go out to play football with Tom?
---No, you can’t ____ your homework is being done..