—What ______ when the earthquake happened on May 12th ?—Er, I was having a geography class in the classroom. A. are you doing B. did you do C. were you doing D will you do
It is impossible.
Is that a book on farming? If so, I want to borrow___.
--How long will you stay there? ---_____.
.Who is making so much noise in the garden? __ the children.
Four isof two.