国务院批准的资源节约型、环境友好型社会建设综合配套改革试验区有（）个。
A.1
B.2
C.3
参考答案：B
Look at the pride on Tom's face. He _____ to have been praised by the manager just now. [ ]
A. seemed
B. seems
C. had seemed
D. is seeming
请问周瑜利用何人使曹操杀了蔡瑁，张允二人？
