All of Manhattan, parts of Brooklyn and Queens are blacked out, and people have no idea ___ it’s coming back on. 
#68529
A
that
B
when
C
how
D
where
推荐题目
The old man has two sons,________is a soldier.
#67015
A
one of whom
B
both of them
C
all of whom
D
both of whom
Would you please put the dictionary ____ it belongs ?
#73578
A
to whom
B
to which
C
where
D
that