根据句意，用括号内所给动词的适当形式填空。（必要时加助动词或情态动词。）
Every year foreigners         (come) to China to learn English.
— why didn’t you come and open the door for me, dear?
— Oh, sorry, I         (cook ) in the chicken. I didn’t hear you.
Some food         (taste) good, but it is usually bad for our health.
Look! It’s raining heavily. Why mot     (take) a raincoat with you?
Dear Erie, your room is too dirty, It should      (clean) right away.
The film       (begin) by the time I got to the cinema.
—Keep quiet, kids, Dad     (sleep) in the next room.
— OK, Mum.
As teenagers, we’re old enough     (help) with housework We can help set
the table, wash the dishes and clean our own rooms.
We know each other well because we     (be) friends since tea years ago,
David preferred     (sell) newspapers to doing housework when he was young.