Question

3. already, by the time, the bus, left, had, go，she，outside

                                             .

4. in,listen to,the,don't,music,classrome

                                             .

5. he, be, here, for, two days

                                             .

Answer 1

3. By the time she went outside,the bus had already left.

4. Don't listen to music in the classroom.

5. He has been here for two days.