_____is known to us all is that the old scientist, for____ life was hard in the past,still works very hard in his eighties.
#80563
A
As; whom
B
What; whom
C
It; whose
D
As; whose
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It is uncertain _______ side effect the medicine will bring about,although about two thousand patients have taken it.
#32917
A
that
B
what
C
how
D
whether
It knowledge is power, ______Sir Francis Bacon wrote in 1579, ______perhaps creativity ca be described as the ability to use that power.
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A
what; and
B
as; then
C
which; and
D
that; then
. It’s not ____ I won’t do it, _____ I can’t do it.
#34559
A
what; but that
B
because; but what
C
what; but because
D
that; but that
A: ______did the teacher give you much advice? B: How to study English.
#30939
A
What
B
In what
C
On what
D
For what