The millions of calculations involved, ____by hand, would have lost all practical value by the time they were finished.
#200
A
had they been done
B
they had been done
C
having been done
D
they were done
推荐题目
My friend Mary is _____ beautiful girl and _____ girl everyone likes to work with.
#10084
A
a, a
B
a, the
C
the, a
D
the, the
-- Are you going to participate in the speech contest?-- ____ How wonderful an opportunity!
#2999
A
No problem!
B
Why bother'?
C
Why not?
D
That's for sure.
Tell me _______how it came about that you were 20 minutes late for class. You needn’t go into details.
#25811
A
in advance
B
in brief
C
in total
D
in vain
—The T-shirt I received is not the same as is shown online.—______? But I promise you we’ll look into it right away.
#1735
A
Who says
B
How come
C
What for
D
Why worry