单项选择题

Tourists often surprised at ______ so many flat and good roads in the mountainous regions.

A．there are
B．there to be
C．there being
D．there were
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单项选择题
______ that our knocking could not wake him up.
A．So deeply he slept
B．Did he sleep so deeply
C．So deeply did he sleep
D．Deeply he slept
单项选择题
The roommate waked me up and said, It's high time we ______.
A．get up
B．had got up
C．got up
D．will get up
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