It was dangerous for you to swim in that river. You eaten by the fish.
| A．might have been | B．must have been |
| C．could have been | D．should have been |
---Why are the four students so happy?
---_______ in the science competition, they are awarded prize money totaling $20,000.
| A．Judged the best | B．Judging the best |
| C．To be judged the best | D．Having judged the best |
---We’ve seen many more days of blue skies recently.
---True. But back in 1998, ________ Beijing started its “Defending the Blue Sky” program, the city only ________ about 100 days a year.
| A．which, sees | B．that, saw | C．when, saw | D．and, seeing |
How about taking ______ short break? I want to make _______ call．
| A．the, a | B．a, the | C．the, the | D．a, a |
---Where shall we go and enjoy ourselves in summer?
--- Of course, Qinhuangdao. ________ next to Bohai Sea ________ a coastline of 124 km, it is a
perfect place to go in summer.
| A．Laying, at | B．Lying, with | C．Laid, with | D．Being laid, for |
The new railway winds its way to Hongkong, _____ mountains _____ tunnels and _____ rivers.
| A．across; over; through | B．over; across; through |
| C．over; through; across | D．through; over; across |