18, A – by
19, A – were
20, D – are/ choosing
21, D – shouldn’t tell
22, A – pressed
23, B – unless
24, C – hadn’t told
25, D – had driven
26, A – spoke
27, A – is/ will cancel
28, D – had known/ would have gone
29, D – didn’t eat
30, B – went
31, D – wouldn’t buy
32, A - should
33, C – would be
34, C – would understand
35, A – should
36, C – were
37, B – didn’t come
38, C – are being treated
39, A – was discovered
40, D- have been made
41, A – was stolen
42, B – is spoken
43, D – had been eaten
44, C – will be spoken
Chúc bạn học tốt và sức khỏe nha!