If you ____ wait a moment, I will go and find our manager. A have to B should C will D must
— Could you send me an application for the TOEFL?— _______. What’s your name and address?
It is very important for us to _______ between good and bad.
A great explosion _______ in a chemical factory in Hangzhou several months ago.
I’ve never dreamed of _______a picture on the wall.
The Louvre in Paris is one of the most famous museums, housing many priceless _______.