帮忙解释几道英语选择题,谢谢!

Question

1.Would you mind if I opened the door?
A.No,go ahead
B. Never mind.......................................(A)
2.--Look at the lady at the stage.She is already 40.
--You are joking.She doesn't look _____.
A.so B.one C.it D.this ..............................(C)
3.She stood there with a(n)____expression on her face before a large crowed of people.
A.embarrassed B.puzzled............................(A)
为什么不是B

Answer 1

1.3俩个句子,没有语法错误,1只所以选A,因为你的准确答案只有一个,而A更符合外国人的说话习惯,这点你不需要深究,3中俩个答案都可以,但是后面有在人群面前,自然显得窘迫,不好意思,更符合环境了.换个情况;she stooding there look at the word with a puzzzled expression on her face .单词看不明白,自然选困惑了
2.look it=look like it 看起来象