Professor Smith，along with his assistants，___________ on the project day and night to meet the deadline.
| A．work | B．working | C．is working | D．are working |
Beijing government puts more than 700 million yuan to increase its green space this year; ____________ doubles the money provided last year.
| A．as | B．while | C．that | D．which |
Though _____ in San Francisco, Dave Mitchell had always preferred
to record the plain facts of small-town life.
| A．raised | B．grown | C．developed | D．cultivated |
— The scarf is nice, but the price is a little bit high.
— _______, but if you want good quality, you have to pay more.
| A．No wonder | B．No doubt | C．No offence | D．No problem |
One of the characteristics that make me different from many people is my adaptability—I'm _______ and comfortable in new or unusual situations.
| A．acceptable | B．respectable | C．reliable | D．flexible |
Even in winter the roadsides were places of beauty, _______ countless birds came to feed on the berries and on the seed heads of the dried weeds rising above the snow.
| A．which | B．when | C．where | D．what |