Do you think ______ amazing for Stephen Hawking to achieve so much as a disabled man?A. this B. that C. it
I don’t like doing the cleaning, because it is ________.
The boy spent 10 dollars ________ the model plane.
America is a ________ country.A.develop B.development C.developing D,developed
We should keep our classroom _______.
Would you please ________ my dog when I go out for travelling?