3. because/ semester/ parents/ studies/ Tom's/ very sad/ badly/ every/ are/ he/ very. => 4. left/ not/ father/ Ha Long/ since/ I/ for/ your/ met/ he/ have. => …………………………………………………………………………………… EX 6: Rewrite the sentences without changing the meaning with the cue words 1. David had gone home before we arrived. => After ………………………………………………………………………….. 2. They can’t make tea with cold water. => Tea……………………………………………………………………………. 3. How long have you learnt English ? => When……………………………………………………………………………. 4. People throw rubbish in the street. The street is dirty. => If…………………………………………………………………………………