Our teacher often tells us ____ the windows before we leave.
| A．close | B．closed | C．to close | D．closing |
— Could you please tell me ?
— In three days.
| A．when will your course start |
| B．when your course will start |
| C．when your course started |
| D．when did your course start |
— It only takes me 20 minutes to get here by bike. Why don’t you ride a bike as I do?
— . I’m afraid I’ll have to ride a bike.
| A．I agree | B．I’d like to | C．I don’t think so | D．It’s not so easy |
I can’t tell when that house exactly, but it must be very long ago.
| A．is built | B．will build | C．was built | D．has built |
— you out the physics problem, Kathy?
— Not yet, but I’m going to.
| A．Do; work | B．Will; work | C．Had; worked | D．Have; worked |
— John, could you please the black-board now? It’s your duty today.
— OK. I’ll do it right away.
| A．not to clean | B．to clean | C．not clean | D．clean |