16Nomatter______,thelittlesistersmanagedtoroundthesheepupanddrivethembackhomesafely.a、itwassnowinghardb、harditwassnowingc、howitwassnowinghardd、howharditwassnowing选d.nomatterhow+adj/adv:不管怎样题号:17Doyouknowtheman______undertheappletree?a、layb、lainc、lyingd、laying选c.lie(躺；位于—lay—lain—lying;lie(说谎）—lied—lied--lyinglay(放置；产卵）—laid—laid—laying句意：你认识那个躺在苹果树下的男子吗？v-ing短语作定语。题号:18Ourhouseisaboutamilefromtherailwaystationandtherearenotmanyhouses______.a、inbetweenb、farapartc、amongthemd、fromeachother选a.inbetween在…之间;介乎两者之间；每间隔;在期…间farapart远远相隔题号:19Harry,whohadfailedinthefinalexam,hadagreatworry__on____hismind.a、onb、inc、withd、at选a.havesthonone'smind挂在心上，使人担心题号:20—Marilyn,I’mafraidIhavetobeleavingnow.—____________a、Thatsoundswonderful.b、Oh,soearly?c、Notatall.d、Goodluck!选b.哦，这么早（就要走啊）？