The sunspot came into its active stage, __________ that happens once every eleven years.
#15198
A
one
B
it
C
the one
D
what
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As teachers, we feel______our duty to teach our children to be good wherever we are.
#16916
A
this
B
that
C
it
D
there is
– Can you come on Monday or Tuesday? -- I’m afraid day is possible.
#57895
A
neither
B
either
C
some
D
any
All these changes will lead to a strong and powerful China,_____that can surprise the whole world.
#16264
A
what
B
which
C
the one
D
one
______ has already been pointed out, only by correcting mistakes, can you make progress.
#17157
A
It
B
As
C
That
D
What