He is a financial manager in Wall Street now, but nobody knows he ________ part-time jobs here and there for survival for eight years

Sam remembered several occasions in the past ____ he had experienced a similar feeling[ ]

r your error, it _______ easier for you to pass the driving test. After all, you had high－quality training.

Shall we go out for a tripto relax ourselves after the final exam?

______ is well known to everyone, I should say, isthat a man becomes learned by asking questions.