题目

英语不懂的,希望高手们可以给我详细的解释呢,比如为什么不选ABC或D的!
7.—By the way,where is Li Lei?
— He __________ swimming.
A.has been B.has been to C.has gone D.has gone to这个答案是c 不过我不知道为什么不选D呢?
10.I didn’t know what __________ to her last night.
A.was happened B.happening C.happened D.was happen答案是c 不过我不知道为什么不选A呢?我弄不明白什么时候要加was 什么时候不要呢?急呢@!
14.I didn’t know ______ because it was very noisy.
A.what did you say B.what you said
C.what you say D.what do you say
为什么不选A呢?
17.In our school library there ______ a number of books on science and the number of them ______ growing larger and larger.
A.are; is B.is; are C.have; are D.has; is答案是A
13.__________ it rains tomorrow,we’ll still go to the Great Wall.
A.If B.When C.Though D.Even though
c怎么就不行了啊?

提问时间：2021-04-01

答案

D多了一个to,has gone to 是一个短语,to不是介词,后面不能跟doing.
A中多了一个was,一般情况下,动词都有被动,但这题中的happen,还有take place等.这些动词没有被动.所以不能选A.
你们没教过定语从句或宾语从句?从句一般用陈述语序.这题是典型的定语从句.
在……有……是there be 句型,没有there have 这种结构.故CD不选.there be 句型要考虑就近原则.即第一个名词的单复数,其他名词不必考虑,a number of 是许多,是复数名词.所以用have,选A.
你意思不懂.Though除虽然外,还有但是的意思,不如D好.
拜托!回答了那么多,多给点分行不?