【2013黑龙江绥化】My uncle ________ books in the room at this time yesterday.A. was seeingB. is readingC. was reading
当你称呼李老师(男)时,应如何称呼?________.
-My mother is ill. -________
We should not eat ________junk food.
I think walking is________ our health.
I can’t wait__________ the nice picture.