第12讲 八年级(下)Units 5-61.begin(v.)→__beginning__(n.)开始2.heavily(adv.)→__heavy__(adj.)重的3.suddenly(adv.)→__sudden__(adj.)突然的4.strange(adj.)→__strapily.We didn't go back until 4:00 p.m.We were tired but very happy.What a pleasant outing it was!