There was a time __ Tom was interested in music.
All the students in our class buried themselves ________studies,________the coming exam.
-Did you watch the football match last night?-No,there was something wrong with my TV and it couldn't __________any programs.
________ is no possibility ________Jack will win the first place in the competition.
It suddenly ________to me that I had forgotten to bring my umbrella with me.
It is said that the library has 20 million books________.