the birds sing to welcome the spring

the birds sing to welcome the spring to,the,the,birds,spring,are,welcome,singing连词组句 In spring,we can hear birds -----(sing) in the trees listen,the birds are singing ( )the spring.A,welcome B,welco Welcome to the US in spring,summer,autumn or winter. 单项选择:The birds are _____ in the _____.A.sing;tree B.to sing; the children enjoy the birds [ ] [sing] Listen!Can you hear birds（ ）in the tree?A.sing B.to sing C.s The Birds Will Sing For Us 中文歌词 The birds sing改现在进行时 We are enjoying the birds( ).(sing) We are enjoying the birds .(sing)