新概念英语第一册第72课【课文讲解】

世博英语Andy老师原创教程。未经世博英语书面授权，任何媒体和个人不得转载！

首先还是看一个替换练习。

Joy: this morning When did you empty the basket? Andy: I emptied the basket this morning.

好，下面开始替换练习。

(1) Joy: this morning When did she air the room? Andy: She aired the room this morning.
(2) Joy: yesterday When did they clean their shoes? Andy: They cleaned their shoes.
(3) Joy: the day berore yesterday in the morning When did he open the box? Andy: He opened the box the day berore yesterday in the morning
(4) Joy: this afternoon When did they sharpen their pencils? Andy: They sharpened their pencils this afternnoon.
(5) Joy: yesterday afternoon When did she turn on the television? Andy: She turned on the television yesterday afternoon.
(6) Joy: the day before yesterday in the afternoon When did he listen to the stereo? Andy: He listened to the stereo the day before yesterday in the afternoon
(7) Joy: this evening When did she boil an egg? Andy: She boiled an egg this evening.