Don’t laugh ___ others.You should help them when they are in trouble.A.at B.to C.of
Funny jokes can always make us _____ when we are sad.
-- ________ your teacher __________ ? -- She is friendly and helpful.
The Changjiang River is _________in the world.
Daniel is my friend. I like to share my with him when 1 am happy.
--- is your pencil ? ---It’s blue and white .