10. When my mother buys tomatoes,she always (挑选) the red ones because they are more delicious.

9. I don't know which (图标) I should click on. Can you help me with it?

8. Travelling to (欧洲) is very expensive,but many rich people choose to go there for a trip.

7. We are going to take a boat to the (岛) and have a picnic there.

6. It must be (艰难的) for her,bringing up four children on her own.

5. People in (非洲) always have dark skin because it's very hot there.

4. Robin came to work in our factory (几个) months ago.

3. I think we need a (导游) to show us around the city. It's the first time we have been here.

2. Can you see anything at the (底部) of this glass?

一、根据句意和汉语注释，写出单词的正确形式

1. There was a (巨大的) stone on the road. All the traffic had to stop.