Question

这几个英语题答案都没其选对 求大神给正确解答

1.My parents had explained everything to me and now ___ ．
A. leaving me in no doubt left
B. I was left in no doubt
C. I have not in doubt left
D. I am having in no doubt left
2.Nobody knows who invented ___ wheel, which is ___ most useful invention in ___ history.
A. a, the, /
B. /, the, /
C. the,a, /
D. a, a, the
3.)选出需要改正的一项:Jack’s mother has to (A) call him at least half a dozen (B)times until(C) he comes down(D) to his dinner.
A. has to
B. half a dozen
C. until
D. comes down
4.Writing is a slow process, requiring ___thought,time and effort.
A. significant
B. considerable
C. enormous
D. numerous

第一题选的C、A都错 第二题选的C错 第三题选的D、A都错 第四题选的B、C都错

Answer 1

1.A
父母向我解释了所有的事情,现在把没有疑惑的我撇下了。leave的主语是my parant因而用-ing形式表示主动加伴随。

2.C
没有人知道是谁发明轮子，在历史上轮子是一项非常有用的发明。a most +形容词原形，a most 相当于very.

3.C
改为before

4.B
considerable,大量的、相当的
A重要的 C巨大的,意思不合适 D用于修饰可数名词