You’d better book the tickets as early as possible, ________ they will be sold out soon. 
#56032
A
and
B
but
C
so
D
or
推荐题目
His father and mother ____ teachers.
#55700
A
are all
B
are both
C
both are
D
all are
We have two rooms ______, but I can’t decide ______.
#58584
A
to live, to choose which one
B
lived, choose which one
C
to live in, which one to choose
D
live, which one