All living organisms (有机物), __________ their unique identity, have biological, chemical and physical characteristics in common.
| A．as a consequence of | B．for the sake of | C．in terms of | D．regardless of |
.
—Would you like to stay for another two days?
—Sorry, I ____. One of my best friends is coming to see me.
| A．mustn’t | B．can’t | C．needn’t | D．ought not to |
.
His movie won several awards at the film festival, ______ was beyond his dream.
| A．which | B．that | C．where | D．it |
.
—Do you know this city?
—No, this is the first time that I ______ here.
| A．was | B．am | C．have been | D．had been |
.
My brother is fifteen, but he talked as if he ________ the Long March.
| A．had joined | B．took part in | C．takes part in | D．had taken part in |
.
Lily _____ her parents has gone to Australia for the holiday.
| A．also | B．as well | C．and | D．as well as |