1、Whocansolvethismathsproblem?谁能解决这个数学难题？
2、TomhasbeeninChinaforabout3years.
3、形容词：
4、Hereisyourmedicine-thedoseistwospoonfulseveryfourhours.
5、Chinaisrichinminerals.
6、Wehaveplentyoftimetocatchthetrain.
7、Hethoughtalot他想了很多（人称代词He）
8、Theboywaspromotedtothefourthgrade.
9、What'sthepopulationofthecountry?
10、Thenewscomesfromareliablesource.
11、Thatdeskismine那个桌子是我的（名词性物主代词mine)
12、Iboughtthesechocolatesloose,notinabox.
13、Woodburnswellunlessitiswet.木头容易燃烧，除非是水湿了。
14、Don'tinterferewithhim.
15、Wouldyouliketotakeanonstopglobalflight?
16、Imustmakethedecisionregardless.
17、Thestarissograceful这个明星很优雅（名词star）
18、Coffeecontainscaffeine.
19、Inanycase,thatisveryunfair.不管怎么说，那是很不公平的。
20、Abirthdayisnooccasionfortears.
21、Thecityisvastcomparedtoourvillage.
22、LanLanisoneofmybestfriendsinmylife.代词：Everyoneishere.形容词:1.PeopleinChinaisveryfriendly.2.I'msoclever!3.IhopetheBeijingOlypicswillbesuccessful.副词:1.Don'truntoofast!2.Readcarefully!3.It'stoodark!Pleasewalkcarefully.介词:1.TherewillbeafootballmatchbetweenClass1andClass2.2.Goacrosstheroadcarefully.3.Werodebikesthroughtheforest.
23、I'lldealwiththechildrenlater.孩子们的事由我以后去处理。
24、Alcoholstimulatestheactionoftheheart.
25、CanadahasmanyimmigrantsfromEurope.
26、Ineverregardmyselfasanexpert.我从来不认为我自己是专家。
27、Mybookishere我的书在这（形容词性物主代词my）
28、Thiswineisbrewedfromrice.
29、Doyouknowthelatesttrendinfashion?
30、Iamagoodstudent.