--Do you need a ruler?…Yes,_________ I need a pencil sharpener too.
My grandfather devoted all his time ______ poor children.
It’s very nice _____ you to give me so good ____.
.—Have you finished your fashion design?---Not yet. I’ll finish it if I__ten more minutes.
The doctor will return from Macao ______ a few days.
There is no doubt _______ your answer is right.