_____ mobile phone is very convenient, school children are not allowed to own one.
#78570
A
If
B
While
C
Because
D
When
推荐题目
The Chinese government has been in close contact with the authorities of HKSAR in dealing with the accident________ more than thirty people were killed .
#76424
A
where
B
when
C
which
D
why
Great changes have taken place in that school. It is no longer it was 20 years ago，_____ it was so poorly equipped．
#76103
A
what；when
B
that；which
C
what; which
D
which；that
Peter has many friends，______can help him .
#77333
A
few of which
B
few of whom
C
few of that
D
few of them
Life is not measured by the number of breaths we take, but by the moments _______ take our breath away.
#75973
A
that
B
when
C
what
D
who