Đáp án: I now wish I had paid (more) attention during the lesson.
should have done sth – S + wish + S + had done sth
concentrate (on sth) – pay attention (to sth)
SECTION II: LEXICO – GRAMMAR
Choose the best answer from A, B, C or D to best complete the following sentences.
Had the drought not lowered the reservoir the ancient village__________
We've postponed the lunch until next week. (off)
The lunch …………………………………………………………..…….. until next week.
We couldn’t relax until all the guests had gone home.
Only .........................................................................................................................................................................
You’d feel better if you had a quiet holiday. (do)
A quiet holiday ………………………………………………………………..….……..