_____in the queue for half an hour, the old man suddenly reali
zed he had left the purse in the office.
| A．Having waited | B．Waiting | C．to wait | D．To have waited |
.The police an organization which protects the public from harm .
| A．are | B．was | C．were | D．is |
.Don't worry.We can the liar by the way he or she acts..
| A．think out | B．carry out | C．bring out | D．pick out |
——It's too hot today.Will it rain tomorrow?
——I would rather it tomorrow.
| A．would rain | B．rained | C．rain | D．will rain |
To be honest,the scientist to unknown to me.
| A．referring;being | B．referred;is |
| C．who referred;is | D．referred;being |
.——I'm sorry to have broken your pen.I didn't mean it.
—— .I've got a new one.
| A．Go ahead | B．Come on | C．Forget it | D．That's right |