Some policemen were sent there to ________ the villagers _________ down the trees.
| A．keep; cutting | B．prevent; cutting | C．prevent; to cut | D．stop; to cut |
The price of the radio ____ , and I don’t know the reason.
| A．went up | B．has gone up | C．had gone up | D．will go up |
---When shall we start tomorrow?.
---Let’s ___ it at 8:00. OK?
| A．set | B．meet | C．take | D．make |
We should pay much attention to ______ people’s living conditions.
| A．improve | B．improved | C．improving | D．improvement |
The time for the exam is ____ .
| A．approaching | B．approaches | C．approach | D．approached |
All the work ______ ,and we are going to leave..
| A．complete | B．completing | C．have completed | D．has been completed |