【英语选择题,要说为什么】A horse is（）to a tree.It looks a little（）.A.tied；tied B.tied；tried

【英语选择题,要说为什么】A horse is（）to a tree.It looks a little（）.A.tied；tied B.tied；tried
【英语选择题,要说为什么】
A horse is（）to a tree.It looks a little（）.
A.tied；tiedB.tied；triedC.tying；tiredD.tying；tried

-We have to（）yonger customers.
-Exactly,younger customers usually like doing shopping.
A.attractedB.attractiiveC.attractionD.attract

That officer must be（）.
A.removedB.remove

Many beautiful fish are fast（）because of the heavy pollution.
A.disappearB.disappearing

The assistant said that all the books（）to the library at the end od this term.
A.must returnB.must be returnedC.can turnD.may return

He is elderly but still strong enough to control his raft.elderly的同义词
A.oldB.elderC.older

Damin sets off on his bamboo raft with his birds.
A.starts his journeyB.goes offC.comes out