题目内容
根据需要在空白处填入冠词：
President Nixon (尼克松总统) visited ______ People's Republic of China in 1989.
Do you play ______ piano?
On ______left there is an orange on the plate.
Air is very necessary to ______ living things.
Apples grow in many parts of the world, but ______ apples that grow hereare the best I have ever seen.
