—Mary can't help ______ the house. Why?—Because she is busy______ a hotel reservation.A. cleaning; making B. to clean; making C. cleaning; to make
You can _______ stay at home ________ go out to play. It doesn’t matter.
__________ you offered him!
— I _________ a rainbow in the rain just now. — Really? Do you know how many colours ________ in a rainbow?
The sign over there__________ you can’t park your car here.
— It’s dangerous to walk across the street carelessly. — You’re right. We can’t be careful while crossing the street.