Our teacher says that the classroom must __________ every day.

n’t believe John won the first prize at the speech competition, ______

She always does very well in the English exams. Butshe can _____understand English radio programs.

Was it in Shanghai, where the World Expo 2010 was held ______ you met Helen?—Yes. We hadn’t seen each other for about 5 years.

I have ____a raincoat _____ an umbrella. That’s why Ihave to wait until the rain stops.