【正文】
Language Points ? 1. I will knock down the wall! 我一定要把墻拆毀! ? knock down撞倒,拆毀 ? The little boy was knocked down by bike. 這個小男孩被自行車撞倒了。 ? knock at/on敲(門 /窗)等 ? Listen, someone is knocking at the door. 聽,有人在敲門。 ? ever since then從那時起,相當于 since then,常和現(xiàn)在完成時連用。 根據(jù)句意及提示補全單