________ in the queue for half an hour, the old man suddenly realized he had left the cheque in the car.
| A．waiting | B．Having waited | C．To have waited | D．To wait |
Jimmy didn’t notice his head teacher entering his bed room. He _____a phone call.
| A．answered | B．has answered | C．was answering | D．is answering |
— Excuse me, where does Tom live?
— He lives _____ to the train station.
| A．closely | B．close | C．closed | D．closing |
_____ we choose healthy food for our main meals, we probably still need to exercise now and then.
| A．Unless | B．As though | C．Until | D．Even if |
— Do you know something about Kwanzaa?
— It is _____festival celebrating the culture and history of African Americans.
| A．a seven-day | B．a seven-days | C．a seven day | D．seven days |
— How do you find your English teacher?
— She is always full of _____ as though she never knew tiredness.
| A．strength | B．force | C．energy | D．spirit |