The gentleman the little children followed suddenly stopped and looked as if __________ whether he was going in the right direction.
| A．seeing | B．to see |
| C．saw | D．is seeing |
I _____ in the street when someone _____ me.
| A．walk; called | B．walking; calling |
| C．was walking; called | D．walked; called |
On AIDS Day, the minister of Health Department demanded that the problems ______ paid special attention to.
| A．referred to being | B．referred to be |
| C．refer to being | D．refer to be |
The shop has been standing so ______ that a thief finds nothing to steal.
| A．quietly | B．lonely | C．empty | D．Open |
They talked for about an hour of things and persons ______ they remembered in the school.
| A．which | B．that | C．who | D．whom |
--Is it all right if I use your car ?
----
| A．It depends | B．Go ahead |
| C．Got it. | D．I don’t care |