用适当的冠词(a，a，the)填空(不需要填冠词的画×)。

1．－Do you play ________ musical instrument?

－Yes, I play ________ piano．

2．Both of ________ girls are ill today．

3．－Do you like playing ________ baseball or ________ basketball?

－Neither．

4．This product comes from ________ Philippines, but that one comes from ________ Thailand．

5．Every day we have ________ supper at six and then do some homework．

6．There are sixty minutes in ________ hour．

7．There is ________ house at ________ foot of ________ hill．

8．________ Browns are going to visit Shenyang next week．

9．________ sun sets in ________ west．

10．Taiwan is ________ island．It is ________ largest island in China．