Mother told me in a phone call that she had written to me a week before, but I haven’t received__________.
| A．one | B．it | C．something | D．anything |
She is a nurse,___ a doctor as well.
| A．but | B．nor | C．or | D．and |
.I would be very glad to help, ___ I’m going away on business.
| A．and | B．or | C．for | D．only |
38.The task is hard, ___, the workers managed to finish it in time.
| A．therefore | B．otherwise | C．however | D．yet |
39.When you read the book, you’d better made a mark ____ you have any questions.
| A．at which | B．at where | C．place | D．where |
___ she will join us in the game is not decided yet.
| A．If | B．Whether | C．What | D．While |