list some functions of a card of Nanjing Underground by using the word "permit".(ppt. 27)

☆ This club does not permit smoking.

☆ The security system will not permit you to enter without the correct password.

Answers: + ing form of verb, + object + to infinitive

Step 3 Language in use

Help the students use the following words to say something about the underground system in Nanjing. (ppt.28)

Suggested words:

distinction, complex, distant, choke, accelerate, permit, link up