新概念英语1~72课

It is raining now.It rained yesterday.2 It is snowing now.It snowed yesterday.3 He is boiling some eggs.He boiled some yesterday.4 We are enjoying our lunch.We enjoyed it yesterday,too.B 1 What did they do yesterday?They cleaned their shoes yesterday.2 What did he do last night?He opened the box last night.3 What did they do this morning?They sharpened their pencils this morning.4 What did she do this evening?She turned on the television this evening.5 What did she do last night?She listened to the radio last night.6 What did she do yesterday morning?She boiled an egg yesterday morning.7 What did they do yesterday afternoon?They played a game yesterday afternoon.8 What did he do in the morning the day before yesterday?He stayed in bed in the morning the day before yesterday.9 What did she do yesterday evening?She telephoned her husband yesterday evening.10 What did she do the night before last?She called the doctor the night before last.