Question

求英语大神解答一下。

Answer 1

一
BCDAB

.

追答

Answer 2

1B have taught

2C has, bought

3D hasn't seen

4A Has, helped

5B have built

[Exercise 2] 1A; 2A; 3C.

[I]

1. has... come

2. have... been

3. Have....talked

4. have worked ..... was

5. has known

[II] 1. Has your mother told the story to you?    No, she hasn't.

2. Where have you been before?

3. I haven't seen him in Fuzhou.

4. How many times has Wang Tao been to Taiwan?