() 1. Sanya is a beautiful city. I there twice.

   A. have gone   B. have been

   C. have gone to   D. have been to

5. 你应该向你的爸爸道歉，这是很有必要的。

  you should say sorry to your father.

4. 他去过的最有趣的地方是黄石国家公园。

   he has been to is Yellowstone National Park.

3. 我会在几天后回来。

I will come back in  days.

2. 我的老师经常鼓励我好好学习。

My teacher often   hard.

1. 书店里有不同种类的书。

There are  books in the bookshop.

5. What you said is (believe) ; nobody believes it.

3. That dog can open the door by (it) .

4. Mrs. Green has a great sports (collect) .

1. We had a good time (run) on the playground.

2. When I am free,I will go somewhere (peace) .

9. I have been in Germany for 3 years,so I can speak a little G .

10. When I fail,my mother always e me.