Although you may meet some difficuIties,you should never .
The song I Believe I Can Fly tells us that believing in________is very important.
(云南)—You look really tired.________?—I didn’t sleep well last night.I had a headache.
We’ll go for a picnic if it________tomorrow.A won’t rainB doesn’t rainC.rains
Can you see the boys________football on the playground?They are my classmates.
The Greens used to live in London and now they________in Beijing.