Wateriscomposed_______hydrogenandoxygen.
A、of
B、with
C、for
D、about
Pleaseremindme_______herthisnote.
A、leave
B、toleave
C、leaving
D、left
Ittookmeamonthtogetrid_______thecough.
A、for
B、as
C、of
D、over
Iftheoperation________carefullyprepared,itwouldnothavebeensuccessful.
A、wasnot
B、hasnotbeen
C、hadnotbeen
D、werenot
It_______methreeyearstodrawthebeautifulhorses.
A、took
B、paid
C、spent
D、cost