`1` Tom's successful in doing his test.
`2` This machine mustn't be used after 5.30 pm.
`3` Our "ao dai" can be printed lines of poetry.
`4` Jean cloth was made completely from cotton in the 18th century.
`5` Hue, the world heritage of Vietnam is visited every year.
CT: S+ was/ were+ Vp2+ (by O).