—Where did ________traffic accident happen,sir?
—It took place at ________crossroads by the bank.
| A．a;/ | B．the;a | C．/;a | D．a;a |
The children all turned__________the famous actress as she entered the classroom.
| A．looked at | B．to look at |
| C．to looking at | D．look at |
Edward, you play so well. But I you played the piano.
| A． | didn't know | B． | hadn't known |
| C． | don't know | D． | haven't known |
She brought with her three friends, none of__________ I had ever met before.
| A．them | B．who |
| C．whom | D．these |
I tried phoning her office, but I couldn’t__________.
| A．get along | B．get on |
| C．get to | D．get through |
His sister left home in 1998, and__________ since.
| A．had not been heard of | B．has not been heard of |
| C．had not heard of | D．has not heard of |