新概念英语第一册 86 所有答案

1. has
2./
3.has
4.has
5./
6./
7.has

1 I've already cleaned my shoes. I cleaned my shoes last night.
2 I've already opened the window. I opened the window an hour ago.
3 I've already sharpened my pencil. I sharpened my pencil a minute ago.
4 I've already turned on the television. I turned on the television ten minutes ago.
5 I've already boiled the milk. I boiled the milk yesterday morning.
6 I've already emptied the basket. I emptied the basket yesterday.
7 I've already asked a question. I asked the question two minutes ago.
8 I've already typed that letter. I typed that letter this morning.
9 I've already washed my hands. I washed my hands five minutes ago.
10 I've already walked across the park. I walked across the park an hour ago.
11 I've already painted that bookcase. I painted that bookcase a year ago.
12 I've already dusted the cu