【单选题】【消耗次数：1】
This book has been in the works so long that I have lost _____of most of the sources found for me by the staff of the library.
①
trace
②
trail
③
track
④
touch
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相关题目
【单选题】
I found the book you recommended in the library, ______ is missing.
①
the front cover of which
②
the front cover of that
③
that front cover
④
of what front cover
【单选题】
-- How long ______ you ______ the library book?-- For three days.
①
have; borrowed
②
have; kept
③
borrow
④
were; kept
【单选题】
I hope ___ the little ___ I have been able to do has been of some use.
①
that; that
②
/; by which?
③
what; what
④
/; with which
【单选题】
Tom: It’s the most delicious fruit I have had a long time.
①
I’m so glad you like it.
②
You are not hungry now.
③
I like eating this fruit, too.
④
You should like it.
【单选题】
—How long____ you ____the library book? —For three days.
①
have--borrowed
②
have--kept
③
did--borrow
④
were--kept
【单选题】
A： How long have you been here?B： Not for long, only about five minutes. Alice and Monica ______ here with me.
①
have walked
②
had walked
③
were walking
④
walked
【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.
随机题目
【简答题】
由于政府引起的资源配置失误就是_____ 。
【简答题】
宏观经济学研究整体经济运行的规律，以实现经济稳定和增长，研究的基本问题是失业、_____ 、经济周期和_____ 。
【简答题】
正常利润是_____ 的价格，它包括在_____ 之中。
【简答题】
现代寡头理论主要运用_____ 论来研究寡头行为。
【简答题】
垄断企业是价格的_____ ，它按照自己规定的价格出售产品，而不像完全竞争企业那样是价格的_____ ，按照既定的市场价格出售产品。