1. A (Peter's answer is the opposite of Anna's opinion)
2d (meaning)
3c( superlative)
4a (condition type 1)
5b ( attract so/sth attention)
6c
7d (remember+V-ing: nhớ chuyện đã làm, bị động)
8b (similar to)
9b( nổi tiểng, popular: phổ biến)
10c(có trách nhiệm)
11c (its not my job)
12c
13a( hđ đang tiếp diễn thì có hđ khác chen vào)
14d
15b (although +clause)
16d
17d( bring back=recall)
18b(admit: thua nhân)
19c(turn a blind eye: pay no attention)
20a
21b(first)
22b (first)
23c
24a
25d
26a( bản năng)
27d (success: noun)
28a (learners are people)
29a (and though)
30a
31a
32c (para 2 line 2)
33d
34a (the last line)
35c
36b
37d
38a
39d
40c
41a
42d
43a ( meaning)
44d ( shouldn't have+V-3/pp: khuyên trong qua khu)
45d (reported speech)
46b (respectful)
47b ( will be used)
48a usually gets up
49c (wish type 3)
50c( meaning)