great efforts to practice English, Mary has made much progress in spoken English.
| A．To make | B．Having made | C．Made | D．Making |
I am afraid he’s more of a talker than a doer, which is ______ he never finishes anything.
| A．that | B．when | C．where | D．why |
It is still under discussion __________the old bus station should be replaced with a modern hotel or not.
| A．whether | B．when | C．which | D．where |
There is a rumor around of a new job in this unit.
| A．floats | B．floated | C．float | D．floating |
Edward, you play so well. But Iyou played the piano.
| A．didn’t know | B．hadn’t known |
| C．don’t know | D．haven’t known |
His sister left home in 1998, andsince.
| A．had not been heard of | B．has not been heard of |
| C．had not heard of | D．has not heard of |