—Li Ping went to Australia to study and travel last year.—Yes, I know. He told me he would never forget his meaningful         there.

 _______ mother usually cooks for ________ at the weekend.

The charity show was a big ______. We have raised much money for Project Hope.

–Why are you still waiting in line? --I’ve missed my _______ .

These natural disasters have warned us that everyone should start to protect the _____ immediately.