21, B – had known
22, D – what I thought
23, A – is
24, C – so that
25, D – at
26, C – It’s my pleasure
27, C – certainly
28, A -> whose
29, C -> which
30, D -> the most
ảnh 2
7, D – scarce
8, A – worthless
9, B – pension
10, C –slowest
11, B – out
12, b – through
13, A – preparing
14, A – drinks
15, B – The other
16, A – neither – nor
17, C – was
18, D – whether
19, D – talking to the lady over there.
20, B - wherever
