【单选题】【消耗次数：1】
I/O设备的含义是（ ）。
①
输入输出设备
②
网络设备
③
后备设备
④
硬件设备
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①
dont;had
②
didnt;have
③
didnt;had
④
dont;have
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①
has;was asked
②
have;were asked
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had;is asked
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had;was asked
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none
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neither
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anything
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nothing
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Did you get a dictionary?No. I________,but there were not any________.
①
tried;to be left;
②
had tried to;leaving
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tried to;left
④
had tried;have left
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Look,someone is coming. Guess who it_________be?I think it______be Tom.I dont think it______be_______.
①
must;can;must;his
②
may;can;must;him
③
can;must;can;him
④
might;must;can;himself
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①
go to
②
will go to
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have been to
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have gone to
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①
to be stuck
②
stuck
③
sticking
④
stick
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This bright girl______ the truth in front of the enemy.
①
didn’t say
②
couldn’t speak to
③
said
④
didn’t tell