285.　 hands up 举起手来

284.　 hand out 发放

283.　 half an hour 半小时

282.　 had better do sth. 最好做某事

281.　 go (the) wrong (way) 走错路

　　　　　　　 H

280.　 go traveling 去旅行

279.　 go to the cinema / movie 看电影

278.　 go to sleep 入睡

277.　 go straight along 沿着...一直走

276.　 go on to do sth.接着做