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1. is the population of our country? Do you know?

   A. What   B. How many

   C. Which   D. How much

4. There are three (fox) in the cage (籠子) .

5. Do you have any problem (finish) your homework?

2. The plane has landed (safe) in the heavy rain.

3. Do you fear (meet) strangers and talk with them?

1. (thousand) of students take all kinds of classes in summer every year.

② 我想知道明天是否會下雨。

I wonder it will rain tomorrow.

① 不管成功還是失敗，我們都必須盡力而為。

we succeed fail,we have to try our best.

② 我害怕我回答不出那個問題。

I I can’t answer the question.

① 沒有什么可怕的。

There is nothing.

②It was very late when he reached the top (safe) .

①You should be careful of your (safe) when you cross the road.