Câu trả lời:
1 A => reduce
2 A => if
3 C => will
4 A => were
5 B => find out
6 C => would run
7 B => would you do
8 B => wasn't
9 B => was flooded
10 B => would go
11 A => didn't try
12 C => will
13 A => would have had
14 C => could
15 B => had stayed
16 B => won't meet
17 B => reviewed
18 B => want
19 A => were
20 D => to do
21 A => if