九年级上册第一单元介词By 专项练习由刀豆文库小编整理，希望给你工作、学习、生活带来方便，猜你可能喜欢“介词专项练习含答案”。
九年级上册第一单元介词By 专项练习 1.They put out the fire by＿＿ water on it.A.pour
B.pouring
C.to pour 2.She learns English by＿＿.A.asking her teacher for help B.to ask her teacher for help C.asks his teacher for hep
