Listen,the birds ________________ (sing) in the tree
Listen,the birds ________________ (sing) in the tree
Listen!The birds _____(sing) in the tree.
适当形式填空 Listen,the birds in the tree (sing)
Listen!Can you hear birds( )in the tree?A.sing B.to sing C.s
Listen!There are some birds ____ in the tree.(用sing的适当形式填空)怎
Look,the birds ______(sing) in the tree.
listen some birds are singing in the tree
____ are the birds doing?The birds are sing in the tree.选Whe
单项选择:The birds are _____ in the _____.A.sing;tree B.to sing;
I ofent hear birds ____(sing) songs in the tree in the morin
Can you hear birds _____(sing)in the tree outside the window
Listen!Many birds are singing()the tree 填什么介词