The teacher told me to pay more attention_______my pronunciation, so I made a_______ to pratice it every day.

We won’t give up __________ we should fail 10 times

Don’t play a trick_______ him.

It’s helpful to put children in a situation ________ they manage everything by themselves.

一 Whatin ____ world do you like most in _____ world一 Ihope _____ world is _____peaceful and fair world.