If the weather is fine, we'll go. If _____, _____.
Great changes have taken place in that school. It is no longer _____it was 20 years ago, ______it was so poorly equipped.
A forest is usually found _______ heavy rainfall is frequent.
—When can I use your computer? —Never! _______ should you touch it.
______ I believe in you, I don’t _______ your viewpoint_______ she is failing to find a well-paid job again.
--Jack's won _____________ holiday in London. --_________ lucky fellow !