I met this guy _____ some other occasions but he did not seem to recognize me.
"Perhaps we need to send for Dr.Smith to see what we can do about it," Father suggested ________ to his neighbor who had come to discuss the problem.
A cold wind began to blow and he his collar to keep out the cold.
I would rather he a hand to lift the heavy box upstairs. However ,to my disappointment, he didn’t.
________ I always felt I would pass the exam, I never thought I would get an A.A. WhileB. OnceC. IfD. Until
The air quality in the city, ______ is shown in the report, has improved over the past two months.