( )The students couldn't help ______ when they heard the joke. A. to laugh B. laugh C. laughing
We shouldn't ________ water.A.save B.saved C.waste
We should________ good______ animals.A.be;to B.are;to C.be;for
We shouldn't wear fur________ leather clothes.A.but B.and C.or
Don't make the oceans________.A.to dirty B.dirty C.dirtyly
辨音,找出画线部分发音不同的一项。(10分)( )(1)A.care B.are C.hare( )(2)A.spy B.family C.fly( )(3)A.bread B.tea C.eat ( )(4)A.who B.where C.what ( )(5)A.have B.cake C.cat