世界上最深的海沟是马里亚纳海沟。[ ]
√
I can not have you _____ ill of my good friend.
A.to speak
B.speaking
C.speak
D.spoken
槽形板底、混凝土折瓦板底抹灰工程量按规定乘以系数()计算。()
A.1.25
B.1.35
C.1.50
D.1.2