Question

急求几道高中英语题目，请大家帮帮忙啦~~~十分感谢

有解释最好啦~~~拜托了！
1.All the tasks( )ahead of time,they decided to go on holiday for a week.
A.had been finished B.were finished
C.having been finished D.been finished

2.His article ( )enough supporting ideas.
A.is lacking of B.lack
C.lacks of D.is lack of

3.-My uncle will be here to attend a meeting tomorrow.
-Oh,I thought that he ( )today.
A.was coming B.is coming C.will come D.could come

4.When last ( )valuable,those books enjoyed great success.
A.finding B.found C.being found D.to be found

Answer 1

1C 所有这些任务提前被完成，所以必须用过去分词表被动的意思，having been finished 要与后面的主语they 一致。

2D 固定搭配

3A I thought that he ( )today. 要与thought 一致的话就只能选A.was coming 表示要来的意思

4Cthose books 做主语，所以从句要用现在分词，而且书应该是被发现有价值的。

Answer 2

1A 现在完成时 2D be lack of 是固定搭配 3A虚拟语气 4C被动语态

Answer 3

A 很简单啊，就是后面有decided,就可以判断前面要过去分词被动态啊
D 句型唉，别说你不知道 be lack of
C 就是一般的从句哎...
貌似选C哈，拿不太准饿~~~~就是现在分词做主语的.可以先去掉多余的句子成分看看哈，就比较容易了呢