2.1 were bought

2.2 are taught

2.3 finished

2.4 completed

2.5 sold

2.6 was discovered

2.7 built

2.8 discovered

2.9 made

2.10 am taken

3.1 are sent

3.2 are given ( nói về việc thường được cho) hoặc were given ( chỉ việc đã cho rồi )

3.3 were collected

3.4 isn't done

3.5 are sold 

3.6 are taught

3.7 is made

3.8 were caused

3.9 were employed

3.10 are shown

CHÚC BẠN HỌC TỐT MONG BẠN VOTE MÌNH 5 SAO CTLHN VÀ CẢM ƠN NHÉ 

BẠN KHÔNG HIỂU THÌ HỎI MÌNH NHA

2.
1.were bought
2.are taught
3.was finished
4.was completed
5.was sold
6.was discovered
7.was built
8.was discovered
9.are made
10.am taken
3.
1.are sent
2.are given
3.are collected
4.isn't done
5.are sold
6.are taught
7.is made
8.are caused
9,are employed
10.are shown