After going into the concert hall, the mother ________ a friend and went over to greet him.
| A．searched | B．knew | C．realized | D．spotted |
111. Trees are cut down merely for fuel and wildlife is killed simply for food. It is time to ____ an end to waste.
| A．call off | B．call for | C．call in | D．call on |
112. In all, 57 such trains are expected to be in ____ commercial operation by _____ end of 2009.
| A．the; the | B．a; a | C．/; the | D．a; the |
113. These reporters are so aggressive! _______, they follow movie stars around and take pictures of everything.
| A．To be practical | B．To be honest | C．To be sure | D．To be exact |
114. If you visited our school this month, you would be amazed to see a modern stadium ___ here.
| A．is constructing | B．were constructing |
| C．is being constructed | D．were being constructed |
115. --- Here is a ticket for you, Sir.
--- _______. I wasn’t speeding.
| A．Thank you. | B．My pleasure. | C．What’s the matter? | D．I’m sorry. |