Chinese exports have been hit hard by falling world demand, with millions of workers _______ to their villages after the factories that employed them closed down.
| A．returned | B．returning | C．have returned | D．return |
68. Mrs. Black went back to_______ place _____ she had found the diamond.
| A．the same; where | B．the same; as |
| C．the same; that | D．as the same; as |
69. We had to _______hundreds of people because all of the seats were sold.
| A．turn away | B．turn down | C．turn against | D．turn about |
70. ______ successful launch of China’s first lunar orbit “Chang’e-1” has sent _____ waves of excitement across the country.
| A．A; the | B．The; the | C．The; / | D．/; the |
71. He didn’t ______ what I read because his mind was on something else.
| A．hold on | B．catch on | C．take in | D．get over |
72. For many days I have been trying to ______ what it is that makes Jack so angry.
| A．carry out | B．figure out | C．watch out | D．make out |