P66 a.The city has my people
b.The country has tall buildings
c.buildings
P67 ×√× CDEAB
P68 1are 2is 3are 4is 5are 6is ABA C
P69 错对对错错
（1）Tuesday（2）Wednesday（3）Saturday(4)Chinese class(5)Math(6)sing songs(7)do my homewourk
P66 a.The city has my people
b.The country has tall buildings
c.buildings
P67 ×√× CDEAB
P68 1are 2is 3are 4is 5are 6is ABA C
P69 错对对错错
（1）Tuesday（2）Wednesday（3）Saturday(4)Chinese class(5)Math(6)sing songs(7)do my homewourk