Because of the cold weather, half of the children________ill for a week.
| A．has been | B．have fallen |
| C．have been | D．has fallen |
—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 |
—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 |
—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． |