1.they don't usually stay up late -\\rightarrow they are.......................... 

2.driving on the left doen't feel strange to me \rightarrow I..........................                                                    3.I often played football when I was a little child \rightarrow He.................................                                      4.Their customs are strange to him , and he found everything confusing \rightarrow He................                   5.There were some trees in the field \rightarrow There...............                                                                  6. The man refused to do his duty and it annoyed the manager (which)\rightarrow ............                    7.Those students usually played football after school when they were at high school \rightarrow  Those students ...............                                                                                                                                    II using passive voice                                                                                                                                1. dust and smoke pollute the air in cities \rightarrow ..................                                                                2.NO one has told it to me \rightarrow ..........................                                                                              3. Do they make beer from barley? \rightarrow ...........                                                                                4. Who is going to the correct these exercises? \rightarrow.......................                                                   5. Are the police searching for the kidnapped child? \rightarrow  ...........................