单项填空（共15小题；每小题1分，满分15分）
从每题所给的A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
1．—How often do you eat out?
—______，but usually once a week.
A．Have no idea B．It depends C．As usual D．Generally speaking
2．When he came into the house, he smelt something ______. And when he finally found this something, it had got ______.
A．burning; burning B．burnt; burnt C．burning; burnt D．burnt; burning
3．I'm moving to the countryside because the air there is much fresher than ______ in the city.
A．one B．the one C．those D．that
4．I came here to turn to you for help.
A．particularly B．specially C．especially D．in particular
【答案】B
