Mary’s uncle made ______ possible for her to travel around the world.
A.it B.that C.this D.one
Changing schools made a big difference ______ his life.
A.on B.at C.to D.for
—Could you help me sweep the floor, Dale. —________.
A.Good idea B.Thanks a lot C.Of course D.That’s right
I think it’s unfair ________ them work ten hours a day.
A.made B.to make C.make D.making
My grandmother is ill. I have to ________ her at home.
A.take care of B.take after C.look for D.look forward to
Could you please ______ the door? It’s cold outside.
A.open B.not open
C.opening D.not opening