—Sir，could you please put out your cigarette？This is a smoke-free(无烟的)school．
—________．
A．I’m sorry about this．
B．Not at all．
C．Sure．I’d love to．
D．Never mind．
难度: 中等查看答案及解析
—Could I borrow your camera？
—________，but please give it back by Saturday．
A．I am sorry
B．Of course
C．Certainly not
D．No，thanks
难度: 中等查看答案及解析
She’s not strong enough________walking up mountains．
A．to go
B．going
C．go
D．went
难度: 中等查看答案及解析
I can’t play the piano，and________．
A．neither can my sister
B．my sister can’t，too
C．so can’t my sister
D．can my sister，either
难度: 中等查看答案及解析
—Which do you prefer，a CD player or a Walkman？
—________．I prefer a portable computer．
A．Both
B．Either
C．None
D．Neither
难度: 中等查看答案及解析
—Could you please________the floor for me？
—Yes，sure．
A．cleaning
B．to cleaning
C．clean
D．to clean
难度: 中等查看答案及解析
—Could I use your dictionary？
—________．
A．Yes，I could．
B．No，you couldn’t．
C．Of course．
D．Yes，I do．
难度: 中等查看答案及解析
She is________to go to work．
A．old enough
B．older enough
C．oldest enough
D．the oldest enough
难度: 中等查看答案及解析
If she________hiking in the mountains tomorrow，I will go there with her．
A．go
B．goes
C．will go
D．went
难度: 中等查看答案及解析
—I didn’t watch TV all night last night．
—________．
A．So did I
B．So I did
C．Neither did I
D．Neither I did
难度: 中等查看答案及解析