從括號中選出適當的詞填空,把句子補充完整。
1. California is a city of (America, Canada).
2. (Where, What) does an elephant live?
3. Are there many (city, cities) in this country?
4. My mother works (on, in) Beijing.
5. My little sister is (younger, older) than me.
6. East points (left, right) on the map.