单项选择题
A.rapid burning causes it B.to be cause dby rapid burning C.causing it'burningtoberapid D.caused by rapid burning
A.whether B.what C.whom D.how
A.toconsider B.considering C.consider D.considered
A.forbid B.forbidding C.forbade D.forbidden
A.examination B.service C.check D.insurance
A.pleasantB.thankingC.gratitudeD.thankful
A.much B.little C.more D.less
A.volunteeredB.fanciedC.enteredD.imagined
A.world B.earth C.floor D.ground
A.failing B.failed C.fail D.failure
A.decline B.reject C.refuse D.resist