3. "来杯红茶怎么样？" "好主意！"

―What about having a cup of black tea? 

―              ！

2. 这就是你一直寻找的那条狗。

Here is the dog       you have been looking for.

1. 很抱歉，我想我并不认识你。

I'm sorry,but I                I know you.

5. He is very stubborn. It's       (hope) trying to convince her.

4. To keep the flowers       (grow) ，you need to water them once a day.

3. Be       (care) ! There's another glass on the floor!

2. The bottles are designed to be       ( use) up to 20 times.

1. It's       (waste) to throw away a clean sheet of paper.

5. We should do something for e       protection so that we can protect the earth.

4. Now it gets warmer and warmer because the p       is getting more serious.