Complete the sentences with the correct time expression. 1)it'll be dark __ we get home.(while / by the time ) 2) the computer won't work __ you plug it in ! ( after / until ) 3) __ it is nine o'clock,lessons begin. ( as soon as / while) 4) leo will have a great time __ he is in cairo. ( by the time / while) 5) my parents will be pleased __ they get my exam results. ( when / until) 6) elsa is going to look for a flat __ she arrives in london. ( after /while )
