—_________is very interesting to swim in the river in summer,but it’s dangerous.
| A．This | B．That | C．It | D．He |
—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 |
—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 |