【单选题】【消耗次数：1】
I have lived in these crowded district_______2000.
①
for
②
since
③
at
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相关题目
【单选题】
I came to?Beijing?in 1991 and have been ?[填空] here ever since.
①
live
②
lives
③
lived
④
living
【单选题】
Its the second time that I __________ in Shanghai ！ What great changes have taken place in Shang Hai. It is ten years since I __________ it last time.
①
have been ； left
②
had been ； left
③
have been ；had left
④
went ；had left
【单选题】
Since you have already come, you _____ stay here for a couple of days.
①
might well
②
might as well
③
might have to
④
might
【单选题】
Alice: Natalie must have left since your plane arrived so late.Sam: To my surprise, I found her waiting for me at the airport.Alice: ___________
①
What a pity.
②
How kind.
③
Good for her.
④
No kidding.
【单选题】
Alice: Natalie must have left since your plane arrived so late. Sam: To my surprise, I found her waiting for me at the airport. Alice: ___________
①
What a pity.
②
How kind.
③
Good for her.
④
No kidding.
【单选题】
He _______ driving me home, even though I told him I lived nearby.
①
insisted on
②
insisted at
③
insisted that
④
insisted in
【单选题】
I was to have a trip abroad if _____.
①
I had not been fired
②
I was not fired
③
my boss won’t have fired me
④
I were not fired
随机题目
【多选题】
平均差与方差或标准差相比其主要缺点是（）
①
没有充分利用全部数据的信息
②
易受极端值的影响
③
数学处理上采用绝对值,不便于计算
④
在数学性质上不是最优的
⑤
计算结果不够准确