16, B – traffic
17, A – going on
18, C – anyway
19, B – this
20, B – I’d love to
II
1, going
2, are you doing; am watching
3, will be
4, is being built
5, will be
6, returns
7, listening
8, to learn
9, am having
III
1, portable
2, excited
3, painting
4, mainly
5, unhealthy
6, careless
7, unhappy
8, employees
9, better
10, furnished
IV,
1, B -> bỏ
2, D -> playing
3, D -> costs
4, B -> would be
5, B -> marbles
6, as -> bỏ
