Question

1. meaning,mascot (吉祥物) ， Welcome to Beijing

2. more and more,big cities

3. the girl,fun,with,grandfather

4. the students,on the hill,next weekend

5. the symbol of,Olympic Games

Answer 1

1. His meaning of the mascots is "Welcome to Beijing".

2. There are more and more cars in big cities.

3. The girl had/has fun playing with her grandfather.

4. The students will/are going to plant trees on the hill next weekend.

5. The Olympic rings are the symbol of the Olympic Games.