题目内容
① Don’t talk We are trying (do) homework.
①to do
2. I (study) English at this school for three years.
3. Li Ming (go) to America three months ago.
2. His father has been to America twice.(对画线部 分提问)
has his father to America?
2. I think Liu vShenglan is (usual) because he is so old but has helped so many people.
1. I have been to the American Computer Museum.(改为一般疑问句)
you to the American Computer Museum?
1. 你参观过故宫博物院吗？
you the Palace Museum?
5. Her grandparents and family live in different (city) . So she often visits her grandparents on the weekend.
②This mountain is so beautiful that visitors come here every year.
A. thousand B. thousand of
C. three thousands of D. thousands of
3. 我不介意再去一次。
I don't again.
