putting+it+clearly

贝晏尤1763There is a pen_____on the floor.wgose is it? -
咸眉朱18897653211 ______[选项] A. lie B. putting C. lying D. lieing 选哪个啊,能帮我讲讲每个选项的区别吗?谢谢

贝晏尤1763Let's--------some dishes on the table a to put b put c putting d to putting 选哪一个,谢谢!答案是D小学六年级的题目,我女儿问我为什么,我也不知道,老师... -
咸眉朱18897653211 ______[答案] 答案错了,应该选B let是使役动词,其后要用省to的不定式作宾补

贝晏尤1763在复变函数中,从点1到i的直线段c,为什么参数方程是1 - t+it -
咸眉朱18897653211 ______ 从点1到i的直线段c的方程:x+y=1; 令y=t,有x=1-t; 由z=x+iy,故z=1-t+it

贝晏尤176360页7.I saw him - ----the key - ----the lock ,turn it and open the door -
咸眉朱18897653211 ______[选项] A. pointing ,in B. put ,in C. putting ,to D. point ,to 为什么

贝晏尤1763To test eggs,____ - them in a bowl of water: if they float they're bad, if they sink they're good. -
咸眉朱18897653211 ______[选项] A. put B. putting C. to put D. to be putting

贝晏尤1763( )Is she____a skirt today? -
咸眉朱18897653211 ______[选项] A. put on B. wear C. putting D. wearing

贝晏尤1763we need a teaspoon of salt - ----- - into the soup.A.put B.to put C.putting -
咸眉朱18897653211 ______[答案] B 吧 need 作为实意动词 这句话的意思就是 我们需要放一勺盐进汤里. 是用的 need to do 这个短语 need doing 是 表示被动的意思 =need to be done 例句 the room needs cleaning. 房间 需要被打扫.

贝晏尤1763Don't - __the book on the floor. -
咸眉朱18897653211 ______[选项] A. put B. puts C. putting. D. to put 单项选择

贝晏尤1763you are putting on a piece of history.这句话中为什么要用putting? 分析putting的语法?为什么不用原型? -
咸眉朱18897653211 ______[答案] putting 是现在分词,其原型是put.are是系动词,与v-ing连用构成现在进行时.

贝晏尤1763i remember to put/putting/to lay/lying it here on the desk 哪一个,为什么 -
咸眉朱18897653211 ______ putting,lay是躺的意思,to put 是指记得但还没做的,putting是做过了,仍然记得.