He had promised to come and help us, and ___.

Everyone except Jake and John ________ seen the film.

Li LeiHubei. He is my good friend.

Air quality in our city is becoming worse and worse. – Yes. These days’ PM2.5 readings are frightening. We must do something to _______ air pollution.

My parents often tell me __________ too much junk food because it’s bad for my health.