--Where are the ______ students?
--They are playing football with ______ students from Hilltop School.
| A．boys，/ | B．boys, the |
| C．boy, / | D．boy, the |
Do you know that the Earth is home to________animals．
| A．million |
| B．millions |
| C．millions of |
| D．million of |
Although this village isn’t big，all the other villages I________so far are smaller．
A．visited
B．have visited
C．would visit
—Where is your father？
—He________Australia and he________Sydney for two weeks．
| A．has been to；has been in |
| B．has gone to；has been in |
| C．has been in；has been to |
| D．has gone to；has been to |
My father________on business for two weeks．He’ll return in three days．
A．has been away
B．left
C．has left
—Why are you standing here，Mrs White？
—I’m waiting for my son．He________back from school．
A．hash’t come
B．won’t come
C．doesn’t come