The sunspot came into its active stage last year, that happens once every eleven years.
#15425
A
one
B
it
C
the one
D
what
推荐题目
She finds ＿＿＿＿＿＿ boring ＿＿＿＿＿＿ at home.
#16938
A
it； staying
B
that； being stayed
C
this； to stay
D
it； stayed
The old couple has two children, __________ able to come to see them when they feel lonely, however.
#15748
A
both of them are
B
neither of them are
C
none of whom are
D
neither of whom
They have been working on the bridge for a week. It seems they need ________ two weeks to finish it.
#15114
A
more
B
other
C
another
D
the other
—He has two brothers and three sisters. Do you know ________ of them? —No, I know ________ of them.
#16804
A
some; none
B
any; some
C
any; none
D
either; some