Hardly had we settle down in our seats ________ the lights went out.
The examination was not very difficult, but it was_____________________ long.
______ his brother, Mike is active and friendly.
The boat was sailing north when a terrible storm_____________ .
As a millionaire who liked to show off her wealth, Mrs. Smith paid______________________________________________ we asked.
The phrase "keeps sellers on their toes" in the passage mostly means "______".
Tom: "___________________ " Mike: "I won't say no!"
She asked me______I was looking at.
According to critics of globalization, several developed countries have become rich because of
Stephanie: "Oh, no! I left my book at home. Can I share yours?" Scott: "______ "
_______ has been a topic of continual geological research.