【单选题】【消耗次数：1】
I appreciate_______ to your home.
①
to be invited
②
to have invited
③
having invited
④
being invited
参考答案：
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相关题目
【单选题】
A number of foreign scholars [] invited to contribute articles to the magazine.
①
is
②
are
【单选题】
The number of people invited ____fifty, but a number of them _____absent.
①
were; was
②
was ; was
③
were
④
were; were
【单选题】
The number of people invited______ sixty, but a number of them______ absent for different reasons.
①
were; was
②
was; was
③
was; were
④
were; were
【单选题】
Can I have a look at your passport?
①
It is here
②
Here is it
③
Here you are
④
No, you can’t
【单选题】
I have nothing to say____ your complaints.
①
as a result of
②
in addition to
③
with regard to
④
on behalf of
随机题目
【单选题】
设线路传输速率为56000bps，4个用户共用，采用异步时分复用技术时，每个用户的最高速率为（ ）bps。
①
14000
②
28000
③
56000
④
19600
【单选题】
交换机工作于OSI模型的（ ）。交换机除了拥有集线器的所有功能外，还具有物理编址、网络拓扑结构、错误校验、帧序列以及流量控制等功能。
①
网络层
②
物理层
③
传输层
④
数据链路层