To be safe,students should (避免) going out alone at night.
The singer is good at playing the (吉他) and making wonderful music.
Elephants have good memories. They never (忘记) the places with food and water.
Today we begin to learn the (第八) lesson. It is about delicious food.
There is something wrong with his teeth. He should go to the (牙医).
Everyone may have problems. We should (明智地) solve them.