Ⅰ.用所给词的适当形式填空
1．You must have your luggage ________ (weigh) at the airport.
2．After __________ (measure) the room，I found it was twenty feet wide and thirty feet long.
3．It’s dangerous to carry a hot pan with ________ (burn) oil.
4．They said they ____________ (open) a western food restaurant on Beijing Road the next month.
5．His mother’s death ____________ (cause) by the heart disease.
6．The girl who ________________ (examine) by the doctor yesterday afternoon is my good friend.
7．______ the population of China ____________ (control) in the past five years?
8．Some people ____________ (escape) into the street before the firefighters were sent there.
9．I ______________ (not know) that you would come here until your father told me.
10．The man is walking to the gate __________ (sound) the bell for lunch.
