——Who watered the flowers beside the window? ——Helen ____________.
A．Did B．Do C．did D．does
Goldfish don’t know _______ to them three seconds ago.
A．what happens B．what is happening C．what happen D．what happened
Does this book belong to ______?
A．me B．mine C．I D．my
It ______ him an hour to play basket ball every day.
A．spends B．took C．costs D．takes
These aren’t ________ cards. They’re_______
A．ours, their B．our, theirs C．our, their D．ours theirs
Turn on the TV, and there is _________.
A．important something B．important nothing C．something important D．nothing important
