---Mum, have you seen my U-Disk?
---____________ you bought last Sunday? I'm afraid I haven't seen ________.
| A．The one; one | B．That; one | C．One; it | D．The one; it |
— May I remind you that a Mr Li is waiting outside, sir?
—Oh, that is right, I ____ about it.
A. forgetB. had forgottenC forgotD. have forgotten
—My nephew will come tomorrow.
— But I’d rather he _____ the day after tomorrow.
| A．came | B．is coming | C．will come | D．had come |
—What happened?
—Well, the wind _____ the door open. I' ve already closed it.
| A．is blowing | B．has blown | C．blew | D．had blown |
I became a teacher in 1993. I _______ for 13 years by next summer.
| A．has taught | B．will teach | C．has been teaching | D．will have been teaching |
.—Have you finished your composition already, Jack?
—Yes, I ____ it within half an hour.
| A．have finished | B．finished | C．finish | D．had finished |