.--- I hear Robert has gone to Harvard University for his master’s degree. --- Oh, how nice! Do you know when he ____?
He is a skillful worker. I am sure he has enough ________to fix all the________.
I ________very late during the summer vacation,but now I________up very early.
The newly-built bridge ________the beauty of the city.
At the foot of the mountain ________.
-Did you do well in the math examination yesterday? -I'm afraid not. Some problems were not as easy as they________.