when is a good time ___ the song? A.sing B.to sing C.singing

when is a good time ___ the song? A.sing B.to sing C.singing the song is heard _____now.A.singing B.to sing C.to be singi I am good at （ ）.a：sing b：to sing c:singing d:the 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 This song is heard____now.A singing B to sing C sang D sung listen!she（）in the classroom.A.is singing B.sing C.to sing D The teacher is good at ___(sing).She ___(sing)a song just no Can you hear Jim a Chinese song?A.singing B.to sing C.sang D 被动语态改写英语句子This song is heard ( )now.A singing B to sing C sa She would like ( ) an English song. A sing B singing C to si I often hear her( )in the next room.a/sing b/is singing c/to