13.Rainforests _____ and burned at such a speed that they will disappear from the earth in the future.
| A．cut | B．are cut | C．are being cut | D．had been cut |
This is _____photo of ___father’s．
| A．a；my | B．a；／ | C．the；the | D．／；／ |
Things of_____ kind come together；people of____kind fall into__same group
A．the；the；the B．a；a；the
C．the；the；a D a；a；a
Polar bears live mostly on______ sea ice, which they use as ______platform for hunting seals.
| A．a; a | B．a; the | C．不填; a | D．the; 不填 |
Shelly had prepared carefully for her English examination so that she could be sure of passing it on her first______．
| A．intention | B．attempt | C．purpose | D．desire |
In my opinion，what he told us just now about the affair simply doesn’t make any_____.
| A．idea | B．meaning | C．sense | D．point |