Wateriscomposed_______hydrogenandoxygen.
A
be composed of：由 …组成。句意：水是由氢与氧化合而成的。
I'dliketoremindyouthatthereisno_____onthepartofsuspectstoanswerquestions.
Thesadconditionofwomenworkingashouseservantsaroundtheworldreceivedmuchmedia_____earlythisyear.
Becauseofthebadweather,thesportsmeethadtobe________.
Theypreferto_______therestofthemorningwalkinginthegarden.
Itisimportantto________yourskinfromtheharmfulstrongsunlight.