要说明理由哦–Hi,Kate!--Hi,Mary.I ______ you are here.A.don’t know

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要说明理由哦
–Hi,Kate!
--Hi,Mary.I ______ you are here.
A.don’t know B.don’t think C,think D.didn’t know
( )117.–Have you ever traveled abroad?
--Sure.I ______ the language of English in the USA two years after I graduated from the university.
A.used to learn B.was used to studying
C.have studied D.didn’t use to study
( )118.The visitors are very ______ to see so many changes _______ in Shenzhen since 1979.
A.surprise; have been taken place B.surprising,took place
C.surprised,have been taken place D.surprised,have taken place

1.选D.原来没遇见不知道Kate在这里,现在已经知道了,所以过去时.
2.选A,过去发生,曾经学过,use to do something.
3.选D,surprised是惊讶的,surprising是令人惊讶的；take place 是非及物动词词组,不能用被动语态,只能用主动语态.

要说明理由哦–Hi,Kate!--Hi,Mary.I ______ you are here.A.don’t know -Hi,Mary. -Hi,Lucy. I ------- you are here. A.didn't know B. ---Hi,Tom.---Hello,Fancy.I ______ you were here.A.don't know ．---Hi, Tom. ---Hello, Fancy. I ______ you were here. A.don’ Hi,Mary,I hear about you are a volunteer. Hi,Mary,Here's a letter ______ you,who is it__?A.to;for B.to 英语单词补全对话八、补全对话,每空一词.A:Hi,Jim.______ are you doing here?B:I' I ______ you were here.A.don’t know B.won’t think C.think D. Hi ,ate.——Hi,Many.——I ____ you are here.A.am glad B.is glad _____ I've known him for a long time, _______I don't know hi Hi Peter.Hi Sam._____ are you?I'm fine,thank you.______ ____ You don’t Know,Here I am