—There is a girl in front of our classroom. Do you know ?
—She is an English teacher.
| A．who is she | B．who she is | C．what is she | D．what she is |
The doctor did everything they could the dying boy’s life, but they failed.
A．saving B．to save C．saved
I’d like to walk to the park instead of there by bus.
A．going B．goes C．to go
we were quite tired, we still went on working.
A．Because; / B．Although; but C．Although; /
—I’ll return the book to Mary, but I can’t find her anywhere.
—She the teachers’ office. You can find her there.
A．have gone to B．has gone to C．has been to
—Forests are very important, aren’t they?
—Yes. They can prevent the water washing the earth away.
A．for B．to C．from