-- Who’s singing in the next room?
--- It ____ be her . She went to New York yesterday evening
| A．can’t | B．must | C．shouldn’t | D．can |
-_______ do I save the document on the computer?
- Please click 'save' and write a name for it.
| A．What's | B．How | C．When | D．Where |
My sister spends as much time as she can_______.
| A．practicing to dance | B．practice to dance |
| C．practice dancing | D．practicing dancing |
His sister’s never been to the Summer Palace, _______?
| A．is she | B．has she | C．hasn't she | D．isn't he |
How careless you are! You_______ more careful next time.
| A．can be | B．should be | C．may be | D．would be |
The highway from Zunyi to Renhuai ________for about two years.
| A．has opened | B．has been open | C．has been opened | D．opened |