1 Miss Green
2 Wang Bing
3 I
4 They
5 We
wrote
letters to her friends ten years ago.2 Wang Bing
took
some photos yesterday.3 I
ate
a cake this morning. It was
nice.4 They
went
to the park yesterday and flew
kites there. They had
a good time.5 We
could
not buy things on the Internet twenty years ago.答案
1 wrote
2 took
3 ate, was
4 went, flew, had
5 could
【解析】：
1. 第一个句子中有ten years ago，表示十年前，因此动词write需要用过去式wrote。
2. 第二个句子中有yesterday，表示昨天，因此动词take需要用过去式took。
3. 第三个句子中有this morning，表示今天早上，因此动词eat和be都需要用过去式，分别为ate和was。
4. 第四个句子中有yesterday，表示昨天，因此动词go, fly和have都需要用过去式，分别为went, flew和had。
5. 第五个句子中有twenty years ago，表示二十年前，同时涉及到了情态动词can的过去式，即could。
2 took
3 ate, was
4 went, flew, had
5 could
【解析】：
1. 第一个句子中有ten years ago，表示十年前，因此动词write需要用过去式wrote。
2. 第二个句子中有yesterday，表示昨天，因此动词take需要用过去式took。
3. 第三个句子中有this morning，表示今天早上，因此动词eat和be都需要用过去式，分别为ate和was。
4. 第四个句子中有yesterday，表示昨天，因此动词go, fly和have都需要用过去式，分别为went, flew和had。
5. 第五个句子中有twenty years ago，表示二十年前，同时涉及到了情态动词can的过去式，即could。
1.
2.
3.
4.
5.
Then Mr Brown wrote letters to his friends
2.
He does not have a telephone at home
3.
She bought clothes from shops
4.
Bobby is looking out of the window
5.
I could not write four years ago
答案
1. Then Mr Brown wrote letters to his friends.
2. He does not have a telephone at home.
3. She bought clothes from shops.
4. Bobby is looking out of the window.
5. I could not write four years ago.
2. He does not have a telephone at home.
3. She bought clothes from shops.
4. Bobby is looking out of the window.
5. I could not write four years ago.
