San Diego’s Zoo and Sea World are places where residents and visitors alike can enjoy r animals and plants in shows and exhibits, ___ in part by San Diego’s climate.

e is only three days left, but westill have a pile of papers to deal with.— Don’t worry. We have already ____ twothirds of them after all.

下列各句中，没有语病的一句是（ ）

Excuse me，could you tell me _______ a dictionary—Sure. They are on the second floor.

The picture of the park memories of our class’s trip last year, when Mr. Smith began to take charge of our class.