-Mr. Smith, how can I get a good grade in the monthly test?-You’d better ______all the questions before you start to answer them.
—Your English is very good. —But my brother learns it much ______than I do.
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.