BEFORE / AFTER / BY THE TIME
5. I didn't have breakfast before I left the house this morning.
-> When .....................................................................................
6. I finished all my work. Then Ben arrived.
-> After ..........................................................................................
7. I finished all my work. Then Ben arrived.
-> By the time .....................................................................................
8. I prepared dinner for my family after I went to the supermarket.
-> By the time .....................................................................................
9. Mr. Brown studied abroad for four years then he returned home as an excellent engineer.
-> Before ...................................................................................................
10. My brother drank some orange juice. Then he felt a little bit better.
-> Before ....................................................................................................