Students in our school have a colorful school life．We have School Activity Week every year，On the wall of the teaching building are the posters from Grade 7，Grade 8 and Grade 9．Let's go and have a look!

Be a Good Reader! Time：13：30-16：30，Apr． 10 ^th Place：Reading Hall ★Improve your reading skills and get new ways of reading． ★Learn more about nature． ★Increase your knowledge and make new friends． For Free! Grade Seven

Invite Your Father to Join Us! Time：09：00-12：00，Apr． 12 ^th Place：Meeting Hall ★Join in the one-month"stop smoking"challenge ★Know about how to give up smoking ★Ask your father to join us! For Health! Grade Eight

Raise Money for Children! Time：14：00-17：00，Apr． 14 ^th Place：School Playground ★Save 30% on everything． ★Come and buy pens，dictionary and other school things． ★Look forward to your coming． For Children! Grade Nine

（1）We can see the posters on the 　　．

A．	desk
B．	blackboard
C．	wall
D．	playground

（2）The"stop smoking"challenge lasts 　　．

A．	one week
B．	one month
C．	one term
D．	one year

（3）When we take part in the activity on Apr.10 ^th，we can do the following activities expect 　　．

A．	buying school things
B．	getting new ways of reading
C．	improving reading skills
D．	learning more about nature

（4）If a pen in the shop is ten yuan，we can pay only 　　yuan for it in our school on Apr.14 ^th．

A．	eight
B．	seven
C．	three
D．	two．