There are eight tips in Dr.Roger's lecture on sleep，and one of them is：________ to bed early unless you think it is necessary.
#80053
A
doesn't go
B
not to go
C
not going
D
don't go
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_________ to the association of success with money that the thought of giving up good salary for an idea seems like a little bit crazy.
#80860
A
Most of us are much accustomed
B
So accustomed most of us are
C
So accustomed are most of us
D
Accustomed as most of us are
The old couple have been married for 40 years and never once ______ with eachOther.
#81319
A
they had quarreled
B
they have quarreled
C
have they quarreled
D
had they quarreled
Tough __________ the task was, we _______ finish it ahead of time and therefore we were highly praised for it.
#81657
A
though; would
B
although; had to
C
as; were able to
D
though; must
______, Guo Mingyi makes his effort to help those in poverty.
#80578
A
Not rich although he is
B
In spite of not rich
C
Though not rich
D
As he is not rich
I have been living in the United States for 20 years, but seldom ________ so lonely as now.
#79874
A
have I felt
B
I had felt
C
I have felt
D
had I felt