16:Thetaskrequireddiditcarefulandbraveenough.a:who,isb:whom,wasc:whomever,wered:whoever,be17:Whydon'tyoubringtohisattentionthatyouaretoobusytodoit.a:thisb:whatc:thatd:it18:Thenextmoment,shehadtimetorealize

Question

16:The task required___did it _____careful and brave enough.
a:who,is
b:whom,was
c:whomever,were
d:whoever,be
17:Why don't you bring ____to his attention that you are too busy to do it.
a:this
b:what
c:that
d:it
18:The next moment,____she had time to realize what was happening ,she was hit over the head.
a:before
b:when
c:since
d:as
19:It was careless of you_____your clothes outside all night.My God!______.
a:to lesve,So did I
b:leaving,So do I
c:to have left,So I did
d:having left ,So do I
20:Americanes eat ______vegetables per person today as they did in 1910.
a:more than twice
b:as twice as many
c:twice as many as
d:more than twice as many

Answer 1

16.d
require 引导的句子要用虚拟语气 should + 动词原形 should 可以省略
17.d
it 在这做形式宾语 后面的that 从句是真正的主语
18.a
before she had time to realize what was happening 她还没有意识到发生了什么事时或者是还没有回过神的时候
19.c
be careless of sb to do sth 是固定搭配 某人做什么事很粗心
so I did 表示我真是这样的 对前面的话表示肯定
20.c
倍数的表示方法
也是固定搭配
倍数+as long/large/big/many as