------Could you please sweep the floor?------___________. I am busy looking after my sister.
#41457
A
Yes, sure
B
Sorry, I couldn’t
C
No problem
D
Sorry, I’m afraid not
推荐题目
_______ the teachers in the school is one hundred, and _______ of them are women teachers.
#43338
A
The number of; four-fifths
B
A number of; four-fifth
C
A number of; four-fifths
D
The number of; four-fifth
We should not eat ________junk food. 
#43708
A
too many
B
too much
C
many too
D
much too