My friend from America called me yesterday．We________for hours．
| A．chat |
| B．chatted |
| C．have chatted |
| D．had chatted |
The earth（地球） is our home, and we must _____ it clean.
| A．change | B．sweep | C．keep | D．stay |
–What would you like to drink? --______, please.
| A．Some bread | B．A bowl of rice |
| C．Some waters | D．A cup of tea |
The children are playing a game _______ "hide and seek".
| A．called | B．calling |
| C．to call | D．calls |
Today is Halloween. I ____ as a ghost, and of course I _____ a special costume.
| A．dress up; in | B．wear; dress |
| C．wear; dress up | D．dress up; wear |
There are _______minutes in _______hour.
| A．sixty; a | B．sixty; an |
| C．sixteen; a | D．sixteen; an |