练习二 changes;seen;in fact; marry; southern; had fun; won't until; have been married; has kept; different from A A D B D A B B 咳咳、、其实这个答案有百分之80是对的、剩下的蛮、、凑合凑合
练习三 possible;service;althgough;attraction;present;have;since;How many;When buy;Have carried;been;hasn't;sad;去掉but;yet;next to;has been opened;any longer;how to get;It's to read;It is came;but came;have known;are fond of
练习五 a theme park; fast food; wave to us; get married; during the summer holiday; move at high speed; feel excited; the whole day; go sight-seeing; wait for an hour; stop taking photos; have gone to Shanghai; have been to Shanghai; on the second day; careful; carefully ;helpful; helpfully;hopeful;hopefully;wonderful;wonderfully;noisy;noisily;healthy; healthily;lucky;luckily;shiny;shinily;impolite;impossible;unkind;unpleasant; cheerless;harmful;different;present;cross;lovely;present;pleasant; of course;goback;performance;sailing;development;closing; education;feeling;discussing;meaning
练习六 have seen;saw;were doing;was helping ;do; was watching; knocking; were knocking; were making; didn't stop; to read; were dancing; not to take; were clapping; was marching; The souvenirs are so expensive that I can't buy it. He is rich enough to travel around the world What were you doing when he arrived? Daniel was swimming in the lake at noon yesterday; useless;delightful;as;frightened;Italy;happily;meaning;exciting;screamed
练习八 has been away from Shanghai for two days. can't stop taking photos with them because they look very cute. have been in HongKong for a week have gone to Hongkong twice has gone to Hongkong been away for two days is quite different from that in Beijing never forget the meaningful experience did you come back from HongKong arrived here the day before yesterday, I have been back for two days.
练习十 ABBBDCDA funny;printer;designed;looking;written;correctly;educational;knowledge;passed; at the same time; come out;send e-mails;get a point;order a set on the Internet; coulds with different colours;play a role;have a dream;many places of interest; be sold out;search for information;a remote control; word-processing; a ten-year-old boy;play a role of; fall asleep; be used widely; double-click on the icon; What do you usually use the computer do The computer is designed for students Can I help you? I'd like to buy a personal computer She will help you when necessary