—Where is our English teacher?
—She is in the classroom, ________ the exercises _________ the students have done at home.
| A．explaining; / | B．explaining; for |
| C．explained; to | D．explained; from |
I can’t remember when exactly the Robinsons leftcity. I only remember it was Monday.
| A．the, the | B．a, the | C．the, a | D．a, a |
Housing prices in Beijing and Shanghai are now largelyfor low-income families,
| A．out of control | B．out of touch | C．out of reach | D．out of order |
The Chinese football team had experienced a series of reforms. However, its performances in Shenzhen in October all the people, especially the crazy fans.
| A．knocked down | B．let down | C．pulled down | D．brought down |
After the mass shootings at Sandy Hook Elementary School, President Obama ordered his members to solutions to gun violence.
| A．put up with | B．come up with | C．keep up with | D．catch up with |
With more and more farmers moving to cities, an inadequate labor force isbecoming a major factor affecting the country's grain output.
| A．automatically | B．occasionally | C．absolutely | D．gradually |