—Jack, you erase the blackboard today,______?
—But I erased it yesterday.
| A．have you | B．will you | C．didn’t you | D．don’t you |
In the past ,the miners had to be extremely to bear the uncomfortable conditions at mines.
| A．difficult | B．rough | C．tough | D．brave |
A block of flats are being to make room for a supermarket.
| A．knocked into | B．knocked over | C．knocked off | D．knocked down |
They had their shabby houseand sold it for a big profit.
| A．brought up | B．taken up | C．put up | D．done up |
Next week we’ll pay a visit to the Great Wall, so in our absence pleaseour pet dog.
| A．keep an eye on | B．have an eye for | C．keep an eye out for | D．make eyes at |
In view of all sorts of rumors and guesses, experts carried out some careful and scientific research and the possibility of a second earthquake in this area.
| A．blamed | B．discounted | C．attended | D．charged |