(1) While the Smiths (were having,正在吃晚饭)supper,the bell rang.
当史密斯一家人在吃饭时,门铃响了.(过去进行时)
(2)He (fell)off the bike last week,so he (felt)terrible.
上周他从单车上摔下来,所以他感觉很难受.(一般过去时)
(1) While the Smiths (were having,正在吃晚饭)supper,the bell rang.
当史密斯一家人在吃饭时,门铃响了.(过去进行时)
(2)He (fell)off the bike last week,so he (felt)terrible.
上周他从单车上摔下来,所以他感觉很难受.(一般过去时)