_____ à vous, ces tableaux.
A.Sont
B.Ce sont
C.C’est
D.Est
参考答案:C
隋朝的开国皇帝是李渊:
错误_________
应改为___________
The little boy was ____by the ____ sound. [ ]
A. to frighten; frightening
B. frightened; frightening
C. frightened; fright
D. frightening; fright