I can’t carry the big box. Can you help _____?

In my mind, no such_______ thing in our country as_______ Great Wall can represent the image and culture of China．

One of the most interesting places in Yangzhou ________ are often visited by foreigners is the West Slender Lake.

He said he had been to Hong Kong ____ and he would go there _____ once again.[ ]

It has been written into law that drink driving can be a crime(罪).—I quite agree. We should better be careful not to _____________the law.