____ you don’t work hard, you can’t learn English well.A. So B. But C. If
This picture is quite old, we can still see it was drawn in century.
—What can I do for you? —I’d like two _______.
Could you help me, Andy? We need ______ tables for the birthday party.
It took him ____ to find the key to the drawer.
_________ the people lost their lives in the traffic accident.