23. The day ______ she spent with us was never to be forgotten.
| A．when | B．on which | C．that | D．in which |
_______of the household rubbish___recycled or reused since the new technology was applied.
| A．Three-fourth; has | B．Three-fourths; have |
| C．Three-fourths; has been | D．Three-fourth; have been |
Health problems are closely connected with bad eating habits and a____ of exercise.
| A．limit | B．lack | C．need | D．demand |
---Could I borrow your car for a while?
--- _________. I won’t use it today.
| A．By all means | B．Never mind |
| C．You are welcome | D．Of course you could |
West of our school lies our stadium,______about 5000 people in all.
| A．seating | B．seated | C．which sits | D．sitting |
It didn’t surprise us at all_____caused his success.
| A．why | B．that | C．how | D．what |