—I guess you can buy such a smart phone for 300 dollars.
—I could just two months ago，but the price ________ by 20%.
| A．went up | B．had gone up |
| C．has gone up | D．goes up |
— You ought to have called her yesterday .
— Yes , I know I ____ .
| A．ought to | B．ought go have | C．ought have done | D．ought to have called |
Why ____ you keep troubling your mother with such question while he is busy .
| A．can | B．will | C．would | D．must |
How ____ you be so careless ?
| A．can | B．will | C．would | D．may |
____ tennis every day ?
| A．Did you used to playing | B．Did you use to play |
| C．Use you to play | D．Used you play |
I only one more card to____the set.
| A．accomplish | B．complete | C．achieve | D．finish |