4. She took her son, ran out of the house, and ______ him in the car, drove quickly to the nearest doctor’s office.
A. put B. to put C. putting D. having put
5. Although she ______ any name, everyone knew who she ______.
A. hasn’t mentioned; referred to B. didn’t mention; had referred to
C. hadn’t mentioned; is referring to D. didn’t mention; was referring to
6. His way of teaching English was _________ make his classes lively and interesting.
A. so as to B. such as to C. in order to D. due to
7. —Sorry indeed, I ________ to your birthday party if …
—Forget it. I know you were out on business.
A. must come B. would come C. must have come D. would have come
