Câu trả lời:
1.to go
2.going
3.living
4.go
5.played
6.have learned
7.played
8.met
9.taught
10.did...do
11.will travel
12.doesn't like
13.drunk
14.went
15.will spent
16.will be working
17.Will....teach
18.will build
19.will be learning
20.will be built