--- What is our head teacher like, do you know? --Oh, he is very kind, ________ he looks very serious.
#55617
A
because
B
though
C
if
D
when
推荐题目
People cut down too many trees, _____ the greenhouse effect becomes more and more serious.
#56516
A
so
B
because
C
although
D
if
Hurry up, dear. We have to get to the station before 11:45 we can catch the 12:00 train.
#57712
A
since
B
after
C
as soon as
D
so that
Run for more than half an hour every day, ________ you can lose your weight easily.
#55293
A
or
B
and
C
but
D
unless
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