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Question

一、在下面的句子中有一般过去时和现在完成时两种不同的时态。选出现在完成的句子，并填上has。
1.she____just hoiled an egg.
2.she____hoiled it a minute ago.
3.she____never been to china,but he was there in 1992.
4.he_____already painted that bookcase.
5.he_____painted it a week ago.
6.she____emptied the basket this moring.
7.he_____just dusted the cupboard.

Answer 1

1.she has just hoiled an egg.

3.she has never been to china,but he was there in 1992.
4.he has already painted that bookcase.

7.he has just dusted the cupboard.

其中的2，5，6中含有明确的过去时间“ago(……以前)”和“this morning(今天早上)”，只能用一般过去时。

Answer 2

1has
3has
4has
7has