15.have bên(dấu hiệu thì HT:nearby)
16.Started
17.has lent(so far)
18.have you spent
19.were eating(at this time last night)
20.went
X.
1.hasn't seen
2.have finished
3.have lived
4.has just washed
5.have discussed
6.has never been
7.have learnt
8.have been
9.have stayed
XI.
1.was
2.were sitting
3.???
4.haven't seen
5.began
6.were driving
7.hasn't seen
8.has already told
9.spent
10.visited
11.hasn't taken
12.were reading
13.were
Xin TLHN
