—Tony, you must have noticed the student who broke the glass.
—I'm sorry.I________attentively.
| A．studied | B．was studying |
| C．am studying | D．would study |
---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 |
The doctor me a stay a few more days in hospital.
| A．suggested | B．agreed | C．approved | D．recommended |