It’s a good way to learn about science there because you can ________ ideas.
Nanjing isn’t as large ___________ Shanghai, however, it’s the second ________ city in East China.
He always seems _______. Now he’s looking ________at his new drawing.
Why not _______ your teacher for help when you can’t finish ________ the Story by yourself?
Look! A number of people at Renmin Square_________something.The number of them ________ about 1000.
Here is the book. First ___________ it and then tell me what you think of it.