Wateriscomposed_______hydrogenandoxygen.
A、ofA
be composed of：由 …组成。句意：水是由氢与氧化合而成的。
Thetwogirlscompetedwitheachother______thehighestmark.
Not until recently_____that Thompson had ben telling the truth all along.
Because of the bad weather, the sports meet had to be ________.
Hisintelligencewill________himtogetascholarshiptocollege.
Notuntilrecently_____thatThompsonhadbentellingthetruthallalong.
