isthebridgetwohundred1、Thisisthebridgetwohundredyearsago.A,building.B,tobuild.C,tobebuilt.D,built2、Those（wish）tojointhisclubshouldsignhereassoonaspossible.3、Atthattime,Ihadnochoicebut（wait）for

Question

is the bridge____ two hundred
1、This is the bridge___two hundred years ago.
A,building.B,to build.C,to be built.D,built
2、Those ___（wish）to join this club should sign here as soon as possible.
3、At that time,I had no choice but___（wait）for help.
4、Most of the scientists___to the meeting were from Canada.
A,invited.B inviting.C having been invited D being invited

Answer 1

1,选 D；built 是 build 的过去分词,在这里表示过去的被动,因为大桥是“两千年以前被人造的”；
2.填 wishing；现在分词表示“主动”.句子意思：那些愿意加入俱乐部的人应该尽快在这签名；
3.填 to wait,不定式在此做 choice 的定语.句子意思：当时我别无选择,只有等援助；
4.选 A；表示“被邀”,这里动作先后顺序不明显,否则就要选 C.句子意思：受邀参加会议的大部分科学家来自加拿大.