Unit3Period1答案
一、
1.2.3.4.5.
mypencilyourbaghereraserhisboxTom'sdictionary
6.7.8.9.10.
your
rul-ersAnna'sbookthatpencilboxaneraserablackpen
二、
1.2.3.4.5.
his.hisyour.mineher，herspencilhoxesThey
三、题目略
1.pencil，itis，itisn't
2.dictionaries.theyare.aren't
3.his.it，her
4.your.mine
5.they.hers
四、题目略
1.No.itisn't.
2.Arethesehisbooks?
3.Thisbookiqmine.
4.Yes.theyare.
五、
1.2.3.4.
meinlt'sHow
5.6.7.8.
coloryourshersMine
六、
1.2.3.4.5.
ADDDB
Unit3Period2答案
一、题目略
1.those
2.your，mine，his
3.my，Her，hers
4.They
5.his，yours
二、题目略
1.inEnglish，aneraser
2.herpencil
3.isn′tmy
4.Excuseme，thankyou
5.aren'this
三、题目略
1.——Isthatyourschoolbag?
——No，itisn't，It'shis.
2.——Aretheseyourbooks？
——No，theyaren't.
3.Thesearemygreenpencils.
4.Whataboutthisdictionary?
5.Thanksforyourhelp.
6.You'rewelcome.
7.Thatgreenpenisherstoo.
四、
1.2.3.4.5.
AACAB
五、
1.2.3.4.5.
it'sIt'sHowspellIs
6.7.8.9.10.
Noisn′tyoursaboutwelcome
Unit3Period3答案
一、
1.2.3.4.5.
thesethosetheyarethey
6.7.8.9.10.
keyshoysgamesrulerserasers
11.12.13.14.15.
boxeswatchesfamilieslibrariesdictionaries
16.17.///
pencilboxesEnglishbooks///
二、题目略
1.computergame
2.anEnglishdiction-arv
3.anIDcard
4.mybaseball
5.herring
6.thisnotebook
7.hiswatch
8.yourkey
三、
1.2.3.4.5.
HerMyher，histhey，mineit
四、
1.2.3.4.
BABD
五、
1.2.3.4.5.
AABAB
Unit3Period4答案
一、题目略
1.asetofkeys
2.intheclassroom
3.mymother'sring
4.excuseme
5.callJohn
6.intheschoollibrary
7.aschoolIDcard
8.playcomputergames
9.David'spencilbox
10.asktheteacherforit
二、
1.2.3.4.
girlsfriendsfriendsboys，theirs
5.6.7./
Gina's，Hersdog'sfamilies/
三、题目略
1.Thoseare，frieeds
2.Isthis，farmily
3.Tom'sfather
4.Whoare
5.lt'san
四、
1.2.3.4.5.
CBCAB
五、
1.2.3.4.
ADAB
5.6.7.8.
CBCD
