So what have you learned?－We’ve learnt _______about life in poor areas. Which of the following is NOT right?

What a day! It is quite hot today. — _____. Let’s go swimming. [ ]

We’ll plant trees tomorrow, and I don’t knowTom will come and join us.

Yao Ming got his first basketball the age of four.[ ]

We have to _________our school trip till next week because of the heavy rain.