This is the first time that I ___________ at the meeting.
| A．had spoken | B．have spoken | C．am | D．was |
John was so sleepy that he could hardly keep his eyes ___.
| A．open | B．to be opened | C．to open | D．opening |
--___ do you want? --I want a book on history.
| A．Which books | B．What book | C．How many books | D．Whose book |
Shortly after the accident, two ___ police were sent to the spot to keep order.
| A．dozens of | B．dozens | C．dozen | D．dozen of |
Mr. Wang said that he ___ next year.
| A．will go abroad | B．would go abroad | C．will go to abroad | D．would go to abroad |
In the dark street, there wasn’t a single person ___ she could turn for help.
| A．that | B．who | C．from whom | D．to whom |