Question

急求英语题的答案解析！~~请尽量把每个错误答案的原因都说明一下

At that time he could think of nothing ________ to say, so he seated himself behind without saying anything.
A in the earth B on earth C in world D on the world翻译一下这个句子~

When they heard the whistle , they_____their ears.
A lifted up B raise up C rose up D held up
为什么选A不选其他的呢？

—How much farther shall we have to go ?
---Another five miles until we reach the mountain______.
A at a distance B in a distance C at distance D in the distance
为什么不选D？其他的短语存不存在？

Answer 1

1、B
on earth是个词组，“在世上”或者“到底、究竟”
那会儿他想不起到底该说什么，因此坐在后面一言不发。
A没这种说法，可以牵强地理解为“在地底下”
C in the world，而且这里意思不对。
D 没这种说法

2、A “竖起耳朵”，一般跟器官有关的，如抬起眼睛，竖起耳朵等都用lift，如lift one's eyes。需要注意的是rise是主语自己升起来。

3、in the distance意思就是“在远处,在很远的那边”
at a distance意思是“隔远一点”
in a distance，基本上没这种说法。
at distance 远程，在一定距离外