-----What about going to the South Lake for a picnic next weekend? ----OK. But I am not sure ____it will rain.
Beijing is one of cities in China.
I felt ___________when I heard the __________ news.
My parents want me _______a writer.
Which do you like ______, apples or oranges?
—How many birds can you see in the trees? —I can see _____ birds in them.