Tom first met Lucy three years ago. She ____ as a teacher in a high school. A has worked B was working C is working D had worked
The players expected there ____ more free time before coming back to the country From abroad.
Word has come____some excellent students will go on a study trip to Chicago next month.
____computers are of great benefit to the development of science and technology.
____puzzled the mother most was____the son would never agree with her.
—____inthisstreet? —IthinkMr.Blackistherichestman.