Bob promises to join in the football match ________ he has to help his parents on the farm.
#57054
A
if
B
as
C
unless
D
when
推荐题目
The maths problem is very easy, _____ I don’t think all of you can work it out.
#57103
A
and
B
or
C
so
D
but
His hobby is ________ watching TV ________ playing the piano．It’s reading books．
#58415
A
either；or
B
both；and
C
neither；nor
D
not only；but also
Last Sunday, we visited the factory _____ my father ever worked for four years.
#55913
A
where
B
which
C
what
D
that