---Excuse me. Where is your teachers’ office?---________, sir.---Thanks a lot.
After finishing_______his homework, Tom decided______a walk in the park.
__________too much TV isn’t good______our eyes.
Li Lei can’t go hiking with us today,because he take care of his sick mother.
-----________________________________?-----I’ve got a headache and a bad cold.A.What’s wrong with you ?B.What’s trouble with you?C.What’s the matter with you?D.Both A、B and C
------_______does your father surf the Internet?------once a week.