16._____ from the top of the tower,the south foot of the mountain is a sea of trees.（陕西卷）A.Seen B.Seeing C.Have seen D.To see选哪个 为什么 我感觉是B啊

The astronauts _____ _____(成功）returning from the moon to the earth at last. The students from the USA will go to Lianyungang tonight(同义句)The students from the USA _____ _____ _____ Lianyungang tonight. ——Is the school next _____ the post office?——No.It's far _____ the post office.A.to；to B.from；from C.from；from D.to；from _____ the boy _____ (come) from China? _____ are from the USA I want to know the reason _____ being late.A.to B.from C.for The train fare from Shanghai Station to Pudong Airport is 50 yuan划线部分：50 yuan______ _____ ______ the _____ fare from Shanghai Station to Pudong Airport? The weather prevented people from _____ to watch the sports meet You'd better put on the sunglasses to _____ ________ (遮挡) from the sunligh they talk at the meeting from beginning to end.同义句 they talk at the meeting ____ _____ _____ _____ _____ _____ is it from your home to school? the following _____ (be) a most difficuit question.the following _____ (be) good exampleshalf of the water here _____(come) from the riverloads of milk _____(be) given to hernone of them _____(have) comeall _____ (be) here it's a long way to get to the hospital from here同义句转换_____ _____ ______the hospital from here_______a long way The trees produce a chemical to protect themselves from insects.(保持句意不变 ）The trees produce themselves from insects _____ _____ a chemical. 从这儿乘渡船去小岛上很方便用英语怎么说lt's very _____ _____ go to the shall island _____ _____ from here . _____ food differs from nation to nation may reflect the cultural differences from one aspectA.WhatB.ThatC.ThisD.Which分析 A monkey can use _____(it )tail to hang down from the tree. _____ is it from here to the station? It's only twenty minutes' walk.