6.___ one’s request应某人的请求→___ one’s invitation应某人之邀→___ request应要求 7.____ up举起→_____ up举起;坚持 8.up and _____上上下下→back and ______前前后 后;来来回回 9.by _______________ 偶然→___ purpose 故意地 10.say hello/goodbye ___向……问好/说再见 →_____ sb.goodbye向某人挥手告别→_____ sb. goodbye吻别
at
at
on
lift
hold
down
forth
accident/chance
on
to
wave
kiss