The traffic was busy on our way to the train station, _____ we caught the train on time at last.
#53596
A
although
B
so
C
but
D
because
推荐题目
The teacher asked Ben ____________ a difficult question in class.
#55172
A
answer
B
answering
C
to answer
D
answered
Every minute must _______ full use of _____ our lessons. 
#54716
A
be made; doing
B
make ; do
C
make; done
D
be made ; todo