一，单项选择（20分）
（）1，—What -____he ___like? ---He`s tall and thin.
A, is ,look B, does looks C, does look
( )2, She is a singer ,She is good at ____.
A, singing B, to sing C, sings
( )3, There is a teacher`s desk ______the classroom.
A, in front B, in the front of C, in front of
（）4, Please stop ____.I want to tell you something.
A, talking B, to talk C, to say
