--What do Li Lei’s parents do? --They __
题型:选择题
问题:
--What do Li Lei’s parents do?
--They _________ doctors.
A.are all
B.are both
C.all are
D.both are
--What do Li Lei’s parents do?
--They _________ doctors.
A.are all
B.are both
C.all are
D.both are