【单选题】【消耗次数：1】
— I heard they went skiing in the mountains last winter.
—It_____ true because there was little snow there.
①
may not be
②
won’ t be
③
couldn’ t be
④
mustn’ t be
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相关题目
【单选题】
I won’t be able to attend the meeting tonight because _________ .
①
I must teach a class
②
I teach a class
③
I will be teaching a class
④
I will have been teaching a class
【单选题】
—Where is John? I couldn’t find him.— .
①
He is very busy
②
I suppose he could have gone to the meeting room
③
I couldn’t agree more
④
He is good.
【单选题】
“I haven’t read ____ of the last four chapters, so I know little about them.”
①
something
②
some
③
any
④
anything
【单选题】
That young boy couldn’t move because he _______ his leg.
①
breaks
②
broke
③
had broken
【单选题】
5. Without your help, I couldn’t ______ the details ______.
①
work…at
②
work…out
③
work…on
④
work…up
【单选题】
They talked in whispers, but still, I couldn’t help but __________ their conversation.
①
overhear
②
to overhear
③
overhearing
④
overheard
【单选题】
I couldn’t ( ) more with your excellent taste of music.
①
refuse
②
accept
③
replace
④
agree
【单选题】
If only he __________ what I tell him, but he won’t.
①
had done
②
would do
③
would have done
④
has done
随机题目
【单选题】
根据关系数据库规范化理论，关系数据库中的关系要满足第一范式，部门（部门号，部门名，部门成员，部门总经理）关系中，因哪个属性而使它不满足第一范式( )。
①
部门总经理
②
部门成员
③
部门名
④
部门号
【单选题】
数据库（DB）、数据库系统（DBS）和数据库管理系统（DBMS）三者之间的关系是( )。
①
DBS包括DB和DBMS
②
DBMS 包括DB 和DBS
③
DB 包括DBS 和DBMS
④
DBS 就是DB,也就是DBMS