Aftermonthsofvoyage,Columbusarrivedin______laterprovedtobeanewcontinent.
A、where
B、which
C、what
D、that
Wateriscomposed_______hydrogenandoxygen.
A、of
B、with
C、for
D、about
Whenyou're_____acrisis,itoftenhelpstotalktosomeone.
A、goingthrough
B、goinginfor
C、goingafter
D、goingover
It_______methreeyearstodrawthebeautifulhorses.
A、took
B、paid
C、spent
D、cost
They are eager _______ abroad.
A、travel
B、travelled
C、totravel
D、travelling