theirs  
#13381
A
thread
B
smooth
C
thirsty
D
health
推荐题目
They have produced    they did last year.
#14155
A
twice more grain as
B
twice as much grain as
C
twice as many grain as
D
as twice many grain as
She ______ each of the children _______ a piece of cake.
#13829
A
treat; of
B
treated; with
C
treated; to
D
treated; as
After the operation in hospital, he is gradually          .
#13503
A
turning over
B
getting over
C
taking over
D
leaving over