1, This museum was built in 1990
2, This machine mustn't be used after 5.30p.m
3, Human life has completely been changed by science and technology
4, The room was filled by smoke
5, Some of my books have been taken away by Tom
6, After class the chalk board is aways cleaned bu Tan
7, Milk is used for making butter and cheese
8, My question hasn't been answered properly
9, A pop song was sung very beautiful
10, The patients were examined by the doctor
11, Tea can't be made with cold water
12, Your homework should be done before going to school
13, We will be given another coffee
14, English is spoken over the world
15, A new high school will be built here
