14．The teacher, with 6 girls and 8 boys in her class, _____ visiting a museum when the earthquake struck.
| A．were | B．Was | C．had been | D．would be |
Since you have such good preparations, there ______ be any problem about passing the coming job interview.
| A．mustn’t | B．shan’t |
| C．shouldn’t | D．needn’t |
— How long do you suppose it is ______ he arrived here？
— No more than half a week.
| A．when | B．before | C．after | D．since |
— Could you meet me at the airport?
— I'd like to，but I'm afraid I ______ a very important meeting when you return.
| A．am attending | B．was attending |
| C．will be attending | D．will have attended |
Experts warn that global warming will cause extreme climate changes including more______floods, heat waves and droughts.
| A．usual | B．ordinary | C．frequent | D．common |
Premier Wen’s three-day visit to Japan, ______ as the “ice-melt” trip, has a positive effect on Sino-Japanese relationship.
| A．being intended | B．intended |
| C．to intend | D．having intended |