1 turned - went - forgot
2 had finished - sat
3 got - had ... arrived
4 arrive - will be waiting
5 decided - would undertake
6 had lived
7 is washing - has ... been repairing
8 Have ... been - spent
9 stayed - had lived
10 was running
11 leave
12 has been standing
13 has changed - came
14 had done
15 met - was working

1 D
2 B
3 A
4 C
5 D

1. For safety (and) comfort (keyword: Câu cuối của step 5)
2. In (a) swimming pool (keyword: step 7)
3. C-card (keyword: step 9)
4. A diving internship (keyword: step 10)

E nể anh:))

K đủ từ :)

chỉ biết buông những lời nói thối tha thôi

mấy thứ toàn rác thối trong mồm

báo cáo ạ