不能只有一个答案,还要有解析!

题目

不能只有一个答案,还要有解析!
⑴When you leave ,donˊt forget -------- goodbye to yuor parents.
a.to say b.saying c.says d.say
⑵There are pandas,tigers,lions and many-------animals in the zoo.
a.else b.the other c.other d.others
⑶I think Ann must -------- on duty today.
a.is b.are c.am d.be
⑷Some people kill the tigers -------their bones.They are------danger.
a.to,of b.of,in c.for,in d.with,on
还有一题哇
五It is big ------ bright.
a.but b.with c.and d.or

答案