She is________to go to work．
A．old enough
B．older enough
C．oldest enough
D．the oldest enough
—Could I use your dictionary？
—________．
A．Yes，I could．
B．No，you couldn’t．
C．Of course．
D．Yes，I do．
—Could you please________the floor for me？
—Yes，sure．
A．cleaning
B．to cleaning
C．clean
D．to clean
—Which do you prefer，a CD player or a Walkman？
—________．I prefer a portable computer．
A．Both
B．Either
C．None
D．Neither
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
She’s not strong enough________walking up mountains．
A．to go
B．going
C．go
D．went
