Water is composed _______ hydrogen and oxygen.
A
becomposedof：由…组成。句意：水是由氢与氧化合而成的。
Hewas______towithdrawfromrunningforthepresidency.
Thecentraltheatrehasaseating________ofmorethan3,000people.
Wateriscomposed_______hydrogenandoxygen.
Heblamedhispoorperformance_____jetlag.
Jennycomplainedthatthehospital________hertoomuchforthetreatment.
