-There a dolphin show in the zoo tomorrow . -Great ! Let's go to see it together.
-- I will buy you a new bike if you learn how to swim this summer. -- Is that a _______? I'm sure I'll get the bike.
--- We'll visit the Summer Palace_______ there is a heavy rain tomorrow. --- OK ! Boating on the lake must be interesting.
You can try_______ second time if you fail_______ first time.
— I visited the Purple Mountain Observatory last Sunday.—______ Why didn’t you tell me earlier?
—What is your mother going to do this Saturday?—I’m not sure. She ______ go to see my grandmother.