Will you ____ it that my birds are looked after well while I'm away?
| A．see to | B．turn to | C．turn off | D．see off |
--Where' s Mr Green? --Oh, he _________ Canada.
| A．has been to | B．has gone to | C．went to | D．was in |
Beyond _______ stars, the astronaut saw nothing but ________ space.
| A．the ,/ | B．/, the | C．/,/ | D．the ,the |
The headmaster ________for more than two weeks.
| A．has left | B．has gone | C．has been away | D．has come back |
The trees must _______three times a week.
| A．water | B．watering | C．be watered | D．waters |
There ________a football match in our school this afternoon.
| A．are going to have | B．is going to have | C．are going to be | D．is going to be |