20．16．Steven likes best． A．taking long walks B．climbing mountains C．breathing fresh air 17．Steven's favorite animal is____________． A．cats B．dogs C．birds 18．Steven often plays games with_____________． A．his friends B．his dogs C．his parents 19．The duck tour is _____________． A．in Washington B．in New York C．in Boston 20．People feel _______ when staying with Steven． A．bored B．happy C．sad．
10．聽第12段材料，回答第13至15小題．聽之前你有5秒鐘時間閱讀相關(guān)小題，聽完后你有5 秒鐘時間作答． 13．Why do they collect the rubbish along the river？ A．To stop the river from being polluted． B．To sell it for money． C．To see the river every day． 14．How many volunteers do they have？ A.10． B.14． C.24． 15．When do they do the volunteer work？ A．At 8：30 every morning． B．After lunch at noon． C．After dinner every evening．
