1>We (clean) up the dirty streeted in our area last sunday. 2>(You/provide) evening classes for sixty children last summer? 3>They(not start) the community garden project in 2013. 4>(your friends/sing) for the eldely people every day. 5>My little sister(drink) milk every day. 6>They(not go) to the movies last sunday. 7>What(you/do) last night? 8>Wr.Tuan always(go) to work by bus. 9>We(start) out new school year last month. 10>How often(you/go) to the English club ?-Twice a month.