Mary became a baker at age 14, because her grandfather paid the local baker ________ her all the skills.
to have taught
to teach
teaching
having taught
—Wow,your picture looks splendid! —I______it on my computer.
In the past,ice ______food.
Enough______ to stop the forest______ since the 1980’s.
—Jim,have you finished reading Harry Potter and Half-Blood Prince? —No.I______ my father on the farm all day yesterday.
Many Chinese airline companies had intended to get much the business,but it______so bad.