It’s polite to  k       on the door before entering a room.
He is hungry and he would like a  b       of tomato and beef noodles.
They will go to London for vacation in  A       , 2014.
His mother always gets up  e        because she makes breakfast for his family.
As students, we should  f        our homework on time every day.
We could hear her sweet           (声音) from the next room.
Would you please make a shopping list for the           (野餐)?
Tom like a apple, but he doesn’t like a           (香蕉) at all.
She borrowed my book last weekend, but she didn’t           (归还) it to me.
The grandpa still keeps doing homework           (虽然) he is seventy-nine years old.