________ we had read your letter _____the true state of affairs.
#82514
A
It was until… that we understood
B
It was not until…that we understood
C
Until …did not we understand
D
Not until… we understood`
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Only by increasing the number of doctors by 50 percent properly in this hospital.
#81010
A
can be the patients
B
can the patients be treated
C
the patients can be treated
D
treated can be the patients
-----Was it by cutting down employees she saved the company? -----No, it was by improving work efficiency.
#82235
A
how
B
that
C
when
D
what
I have been living in the United States for twenty years ,but seldom _____ so lonely as now.
#84492
A
have I felt
B
I had felt
C
I have felt
D
had I felt