Dad, you should tell Tom _________ with his friends.  [ ]

A. don't fight                  

B. don't to fight    

C. not fight                    

D. not to fight

砌砖通常采用“三一砌砖法”，具体是指( )。

A．一皮砖、一层灰、一勾缝
B．一挂线、一皮砖、一勾缝
C．一块砖、一铲土、一刮缝
D．一块砖、一铲灰、一挤揉