There ________ a lot of bread in the fridge. [ ]
A. has
B. is
C. are
D. have
答案:B
A mother who ___ here son will do everything for his happiness.
A.is loving
B.loves
C.loved
D.has loved
--- ________ of them knows the answer. What can we do now? --- Let’s ask a third boy for help.
A.Both
B.Either
C.Neither
D.None