Dr. Peter Spence, ______ headmaster of the school, told us, “____ fifth of pupils here go on to study at Oxford and Cambridge.”
.—It’s a long time since I saw my brother. —Why ________ him this weekend?
—Would you mind closing the window to keep out the noise? —________.I’ll do it right away.
There are about ______ people in the park on National Day.
We found ______ very difficult for the children to understand what the chairman said at the meeting.
.________ useful book is helpful to ________ artist.