Hi and 1.Is To make sure the reader knows that simply reading the steps is not enough and 2. Is china has very busy streets; Chinese people don't have good manners. hope I helped
It is a simple sentence.
A simple sentence contains one independent clause - which is the case with sentence 7. There is one subject (they) and one verb (rule), which means that it is a simple sentence (because of one verb only). A dependent clause wouldn't be able to stand on its own, and sentence 7 obviously can, which is why it is not dependent.
Answer: I think that you have to fill the blank of the missing words
Explanation: