After saying good-bye, the couple moved off and __________ in the crowd.
| A．was lost |
| B．were lost |
| C．had lost |
| D．to lose |
Of the two cameras, I would prefer_____ one, which is very easy for me to carry.
| A．a smaller | B．the smallest | C．a small | D．the smaller |
Mr Jones, a professor, ____ for his excellent lectures, is popular with his students.
| A．known | B．knowing | C．to be known | D．having known |
—Can you give some advice on what I said just now?
—Sorry. My mind____.
| A．is wandering | B．was wandering | C．has wandered | D．had wandered |
Having____ no-meat day would be a good way of encouraging ____ low carbon life-style.
| A．a; the | B．a; a | C．the; the | D．the; a |
Not only Zhang Yimou's new movie but also some of the actors and actresses of it to meet the public in Shanghai next Monday.
| A．is | B．are | C．were | D．has |