When I ______, the party started.
A.seated
B.was seating
C.was seated
D.had seated
答案：C解析：考查seat的用法。seat作动词讲时，意思是“使……就座”，只用作及物动词，所以它的后面必须要用宾语，或用其过去分词形式，其结构有两种：seat oneself／be seated。句意为“我一坐下，宴会就开始了”。故选C。
Tom got very angry when the other boys played a____________on him. A. roleB. t
Tom got very angry when the other boys played a____________on him A． roleB． trickC． partD． card
答案解析WhenhearrivedinNewYork itwassnowing.
When he arrived in New York, it was snowing
答案解析WhenIsawhim hehasfinishedtheletter.
When I saw him, he has finished the letter
答案解析CFCs were banned when world leaders signed _____called the Montreal Protocol in 1987.
CFCs were banned when world leaders signed _____called the Montreal Protocol in 1987 A a contactB contactC agreementD an agreement
答案解析It was raining when the plane_________ (起飞)in London.
It was raining when the plane_________ (起飞)in London
答案解析38A calendar that identifies when a project may be performed on an activity is called a: A
38 A calendar that identifies when a project may be performed on an activity is called a:A Project calendar B Resource calendar C Milestone point D Key point E Work unit
答案解析When he arrived in New York it was snowing.
When he arrived in New York, it was snowing
答案解析When I saw him he has finished the letter .
When I saw him, he has finished the letter
答案解析Why were Anna's friends puzzled when she shared her house with a family that had
Why were Anna "s friends puzzled when she shared her house with a family that had lost everything?________________________
答案解析When did Anna live in Germany?________________________.
When did Anna live in Germany？________________________
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