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
The success of her business made _______tough to carry out her role as wife and mother.
#16670
A
that
B
this
C
it
D
her
Don’t take ________for granted that he will agree with you on that point.
#15516
A
it
B
what
C
which
D
that
Don’t worry. You can _____he ‘ll turn up on time. He always keeps his promises.
#14916
A
depend on
B
depend on it that
C
depend on that
D
depend upon
Don’t take ______ for granted that he will agree with you on the subject.
#14965
A
this
B
that
C
it
D
Which