Our school requires that all students _______ on the campus.
| A．must wear school uniforms | B．wearing school uniforms |
| C．to wear school uniforms | D．wear school uniforms |
Don't turn off the computer before closing all programsyou could have problems
| A． | or | B． | and | C． | but | D． | so |
Volunteering gives you a chance____ lives, including your own.
| A．change | B．changing | C．changed | D．to change |
-Are you sure you won't come for a drink with us?
-,if you insist
| A．Not at all | B．It depends | C．All right then | D．I don't care |
It's an either-or situation - we can Buy a new car this year or we can go on holiday But we can’t do.
| A．others | B．either | C．another | D．Both |
Four andhalf hours of discussion took us up to midnight,andBreak for cheese,chocolate and tea with sugar.
| A．a;a | B．the; the | C．不填；the | D．a;不填 |