----It’s dangerous to walk across the street carelessly.
----You’re right. We can’t be _______ careful while crossing the street.
A. so B. very C. too D. more
What he said made all of us ____________ .
A . happy B. happily C. happiness D. unhappily
Not only I but also Jack __________ crazy about playing football.
A. am B. is C. are D. be
We find ______ impossible for us to learn a foreign language well in a short time.
A. that B. this C. one D. it
The security guard(保安) kept the students ________ order while they were walking into the museum.
A. for B. in C. on D. with
---- Which colour do you_________, red or purple?
---- Red. I think it looks lovely _________ me.
A. prefer； on B. prefer； in
C. would rather； in D. would rather； on
