.
In _______ summer of 1963 Martin Luther King Jr. gave _______ speech to many black people.
| A．不填; a | B．不填; the | C．the; the | D．the; a |
It was in the United States that I made the _________ of Professor Jones.
| A．acquaintance | B．association | C．recognition | D．acknowledgement |
Many experts stick to the view _____ teacher development is _____ the key to quality education lies.
| A．which; where | B．which; in which |
| C．that; where | D．that; in which |
I have to go to school by bus because my bicycle _____.
| A．will be repaired | B．is repaired |
| C．has been repaired | D．is being repaired |
The course books are _____ by four tapes, which are beneficial to beginners.
| A．adapted | B．designed | C．accompanied | D．managed |
— I’m afraid what I did cannot satisfy your requirements.
— _____. At least you tried.
| A．I don’t believe it. | B．Don’t say so. |
| C．Never mind. | D．It was not your fault. |