3、lay)anewputergameatteno'clocklastnight.2.Listen!Somechildren___________(sing)anEnglishsonginthehall.3.They__________(run)intheplaygroundathalfpastsixthismorning.4.MikeandBetty________(go)tothe Palace Museum bybusjustnow.5.Yesterdayafternoonthey________(leave)