I am good at （ ）.a：sing b：to sing c:singing d:the

I am good at （ ）.a：sing b：to sing c:singing d:the I often listen to him ( ）.A:singing B:sing C:sings D:to sing listen!she（）in the classroom.A.is singing B.sing C.to sing D I am better at than A.singing dance B.sing dancing C.sing da when is a good time ___ the song? A.sing B.to sing C.singing i found her __in her room A.to sing B.sang C.singing D.sing The boy isn't good at( ).A,sing B,sings C,singing my father _ very well.A.sings B.sing C.singing D.to sing I like ( )a song?A sing B to sing C singing选择哪个 I like _______ a song .A.sing B.to sing.C.singing The girl referred to ______ well.A.singing B.sing C.sings D. I often hear her( )in the next room.a/sing b/is singing c/to