... English 9 (Unit 9 ) N2 I.Combine these sentences using Who, whom , which, when or where: 1.He gave me the tickets.He ... C.Therefore D.But 9. she goes to the liblary three time a week.She …….reads books there A.never B.often C.rarely D.once 10.A disatrous volcanic eruption happened in the Philippes…. 199 1. A.on Bin C ... Hai Phong 3.Nam suggested(take)showers instead of baths to save water 4.Nga’s house (build) in 199 5 5.Tom enjoys(collect)strange stamps 6.If people (save)energy ,there will be no shortage of electricity...