在经济往来结算中经常使用的信用工具是 ①转帐结算 ②信用卡 ③有价证券 ④支票
There_____ a hospital in my hometown fifty years ago.
---Mum, may I go out to play football this afternoon? ---You can if your homework .
---Now the air in our hometown is even than it was before. ---So we must do something to stop it.
_______ some ways , there are many changes in our hometown .
The old man lives ____ in a _____ house, but he doesn’t feel_____.