题干
用所给词的适当形式填空
（1）The players are getting ready for ____ (play) a football match now.
（2）Don’t talk to him. He ____ (work) at the moment.
（3）—What are you doing? —I'm helping my brother ____ (do) his homework.
（4）Look! What ____ (happen) over there?
（5）We usually have three ____ (meal) a day.
答案(点此获取答案解析）
playing,is working,(to) do,is happening,meals
