While we were listening to the speech attentively, a voice _____ to announce the result of the election.
| A．broke in | B．broke up | C．broke off | D．broke down |
It was a great _____ for him to be pleasant to people he didn't like.
| A．attempt | B．trouble | C．power | D．effort |
He has impressed his employers considerably and _____ he is soon to be promoted.
| A．eventually | B．yet | C．finally | D．accordingly |
I could just see a car in the distance, but I couldn't _____ what color it was.
| A．look out | B．make out | C．get across | D．take after |
The____of Green Olympics, High-tech Olympics and People’s from across the globe.
| A．theme | B．purpose | C．task | D．brand |
The worker agreed to _____ the strike if the company would satisfy their demands.
| A．call for | B．call forth | C．call off | D．call up |