You can certainly leave the classroom as soon as your homework__________.
| A．has done |
| B．has been done |
| C．will be done |
| D．will have been done |
It’s better to go shopping in the supermarket than ____ home for chat.
| A．staying | B．to stay | C．stay | D．stayed |
I think that’s the only way we can think of ______ the math problem.
| A．solve | B．solves | C．to solve | D．solving |
---There must be a dozen pens in this house but I can never find one when I need one.
--- Keep looking. ______ is sure to turn up.
| A．One | B．It | C．That | D．This |
---Is your school life like ______ of other teens?
---In many ways, yes.
| A．this | B．the same | C．the one | D．that |
Being able to afford ______ drink would be ______ comfort in those difficult times.
| A．the; the | B．a; a | C．a; 不填 | D．不填; a |