`18.` He said that was the book I had been looking for.
`19.`They wanted to know when they had told me that.
`20.` They wanted to know if I had seen the new film.
`21.`She told me not to put my elbow on the table
`22.`He asked me to write my name clearly on the top
`24.`He asked me to wait here under the rain stops.
`25.`She told me to come and see her whenever I had a few hours to spare.
`26.`Minh asked her sister if she could help her with her homework.
`28.`My sister told me to shouldn't translate each sentence into Vietnamese.
`29.` trang asked hue if she could explain that word to her
`30.` I aksed the foreigner to speak more slowly