Food safety is important. Rules to stop people from food pollution.
Did Lisa tell you in the letter?
I didn’t really enjoy going out the crowded streets.
--- What a hot day! How about going swimming after school?--- _________! Let’s ask Daniel to go with us.
The lesson is easy for the students. You see there are _________ new words in it.
Daniel has poor eyesight(视力差)because he always watches _________ TV and plays _________ computer games.