"last year"vs "the last year" Can you tell me the difference Thank you!

"disappointed look" or "disappointing look"? why??

the vocabulary "ruin" is the word countable?I learnt a phrase "in ruins" so I wonder how to use this word.

How can I use "one another" and "each other"? I wonder if there are some differences between them.Thanks a lot :)

As if & as though I learn this phrase "as if" ,but I don't know the difference between "as if" and "as though".

How can I use the word "prefer"?

When you feel low and upset,what will you do to make yourself happy? I always work hard in study but just now,I knew my results of last term's exams.It's our graduation exam.It's an important exam but I didn't get good marks.I feel very low but don't know what to do.Can you give me some advice?Thank U :)

What's the difference among "request" "require" "ask"? Just now I found an exercise. The answer is D I'm sorry that I can not accept your ________ to attend your birthday party, Linda, because I'm ________ to answer all the customers' letters tonight by my boss. A. requirement; required B. demand; requested C. request; asked D. request; required I want to choose C Why D??

Can u tell me the differences between"either"&"neither"?I couldn't understand very much.