When the big bills for mother's hospital care came, father was glad he had money in the bank to _____.
It was decades ago ________ I was in my teens ________ the Chinese government decided to reform the social economic system.
She tried hard to keep calm in face of the students, but the sweat on her forehead _____ her ____.
After retirement, Mr. Smith ______ painting, which he had always loved but had not had time for.
You’d better ______ some hot water into the bottle in case the teacools down.
Thomas Alva Edison didn’t “invent” the light bulb (灯泡), but rather he ______ a 50 –year –old idea, which is not well –known.