What a terrible experience！________，you're safe now—that's the main thing.
| A．Anyway | B．Besides |
| C．Otherwise | D．Therefore |
Mary had promised to give me a ticket for tomorrow. She failed, ____.
| A．either | B．though | C．but | D．too |
—He must be busy doing his homework right now.
—I imagine____.
| A．that | B．to | C．so | D．it |
After living with his grandparents in the countryside for ten years, the boy returned to the big city ____ his parents worked.
| A．which | B．where | C．that | D．when |
— ____ can I deal with such a situation?
— Take ____ measure you think best.
| A．How; whichever | B．What; whatever |
| C．How; whatever | D．What; whichever |
____ it will do us harm or good remains to be seen.
| A．If | B．Whether | C．That | D．Where |