Ⅰ.单句填空
1．You know，I have been looking (look) for a job for three months，and this is my first formal interview.
2．My sister stayed (stay) in Beijing for three months last year.
3．The little boy is dirty all over because he has been playing/has played (play) in the mud all the morning.
4.I wondered (wonder) if you were free this afternoon.
5．Please wake me up if I am still sleeping (sleep) when you come (come)．
6．My sister has been learning (learn) English since she was (be) a child. She speaks (speak) English fluently now.
7．In the past, people communicate their thoughts and feelings through newspapers, magazines, books, radios and televisions.
8．Britain's rarest breeding birds are under threat from selfish egg collectors.
9．In addition to my weekly wage, I got a lot of tips.
10．Many would prefer to see him step aside in favour of a younger man.
11. I'm not making it up. The character exists in real life.
