—Listen! Can you hear ______?
—Yes, I can hear a bird ______ in the tree.
A.anything, sing | B.something, singing |
C.anything, singing | D.something, sing |
—Listen! Can you hear ______?
—Yes, I can hear a bird ______ in the tree.
A.anything, sing | B.something, singing |
C.anything, singing | D.something, sing |