【C8】A．thatB．whichC．becauseD．as

A． thatB． whichC． itD． who

【35】A．thatB．whichC．whatD．as

【C18】A．thatB．whichC．whatD．／

A．thatB．whichC．whomD．what

【C11】A．thatB．whichC．howD．as

It is unlikely ____ the world energy will last forever.A: thatB: whichC: becauseD: for