Lee was faced with the of whether or not to return to his country after he got the doctor's degree in America
A．situation B．dilemma
C．environm ent D．circumstance
We left the small town, ______ clearly_____ no need to stay.
A. there； being B. it; was
C. it; being; D. there；was
There are frequently reports of accidents as fireworks ______, stored or transported.
A. have been made B. are being made
C. were made D. have made
Plastic bottles can be recycled but they need cleaning thoroughly, _______ they?
A. needn't B. don't C. mustn't D. can't
Of all the methods they provided, ______ is of any help for solving the math problem.
A. nothing B. neither C. none D. no one
—Tom seems to be familiar with London.
---Yes. He ___________ here for three years. It’s great for him to be back.
A. have lived B. had lived C. lived D. lives
