China always plays ___ active part in fighting against ___natural disasters.
A. /; the B. an; the
C. an;/ D /; /
--I didn't tell my parents that I would leave home.
--You ________ when you left home since you are living with them.
| A．ought to have | B．might have | C．should | D．must |
--Hi, King, I heard you went to see the parrots instead of traveling to Calgary yesterday.
--Yes, I did. You see, I'm ________ a bird watcher than a traveler.
| A．less | B．more | C．better | D．worse |
The story of ________ American South will be one of hope and success with some signs that ________ new, different South is coming out of its dark past.
| A．the; a | B．an; a | C．不填; a | D．an; the |
. We’d rather our president _____ make the decision or scores of employees will be cast down.
| A．won’t | B．doesn’t | C．shan’t | D．didn’t |
. When I was a kid, my mother told me if I could not be a good loser, _____ there’s no way I could be a good winner.
| A．and | B．so | C．or | D．then |