1. My new classmate told us about his trip to ______ Great Wall. He said it was ______ exciting
experience for him.
A. the; an B. 不填; the C. the; the D. 不填; a
2. — Look! There are so many children playing happily in the park.
— Yes. Few of them like to stay at home a fine Sunday morning.
A. at B. in C. on D. for
3. Tom is going to the movie _______ Jack insists on going swimming.
A. after B. before C. when D. while