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
单项选择:The birds are _____ in the _____.A.sing;tree B.to sing;
Listen!There are some birds ____ in the tree.(用sing的适当形式填空)怎
Can you hear birds _____(sing)in the tree outside the window
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
全文介绍校园,无现在进行时,问We can hear the birds _____(sing) in the tree
用括号内所给单词的适当形式填空. Listen!The bird _____(sing)in the tree.