Joan writes ____than she did 2 years ago.
---The man in a black cap _______ be our maths teacher.----It _______ be him. I saw him in the laboratory building some minutes ago
____________of the news _________written in English on the Internet.
_______hard work it is! And __________should I do to complete it well?
This hospital needs ____X-ray machine, _____ machine is used for checking for patients.
--- Bill, can I get you anything to drink?--- __________.