We can often see ice here in winter because the temperature usually stays__________ zero.
| A．up | B．down | C．above | D．below |
Ann is looking forward to her new pen friend.
| A．meet | B．meets | C．meeting | D．Met |
The maths problem is so difficult that none of them can .
| A．work out it | B．work it out | C．find out it | D．find it out |
The foreigners have been in Beijing for three years, so they are familiar the city .
| A．to | B．with | C．for | D．On |
We should try our best English well.
| A．learn | B．to learn | C．learnt | D．to learning |
We shouldstudents computer games.
| A．keep; from play | B．stop; from play | C．stop; from playing | D．keep; play |