— Do you know how Chinese acupuncture reduces pain?
— Well, well, _______．I’ve never read about that.
A． I can’t tell you
B． you really have me there
C． there is some doubt
D． what a shame
In many cities of China, if an ambulance is_______ in a traffic jam, police will respond to the emergency.
A． held up B． held back
C． held down D． held out
— I don’t remember having ever seen John since last week．Has he gone somewhere?
— Not really．He_______ his newly-bought apartment.
A． has decorated B． was decorating
C． decorated D． has been decorating
— Have you ever been to the Summer Palace?
— I can’t quite remember．_______, it might have been during my childhood.
A． If any B． If ever
C． If possible D． If so
— Your windows are still open? It’s so cold!
— Oh, sorry．They_______ .
A． aren’t closing B． won’t close
C． won’t be closed D． aren’t closed
We believe the time and hard work _______ in completing such an important project are worthwhile.
A． involved B． involving
C． to involve D． to be involved
