While Helen __________ the guitar, her mother came in.
#41299
A
was playing
B
is playing
C
played
D
plays
推荐题目
Beijing government puts more than 700 million yuan to increase its green space this year; ____________ doubles the money provided last year.
#72097
A
as
B
while
C
that
D
which
.Who is the person ____is talking about the accident ___happened on Highway 104?
#71009
A
which, which
B
who, what
C
that, that
D
what, what
--- Could you do me a favour? --- It depends on ______ it is.
#73890
A
which
B
whichever
C
what
D
whatever
_________ is unknown to us all.
#70547
A
Where did he get it
B
Where he got it
C
That where he got
D
Which he got it