If you are traveling the customs are really foreign to your own, please do as the Romans do.
| A．in which | B．what | C．when | D．where |
Barack Obama, who came into _________ power on January 20, 2009, was awarded _________2009 Nobel Peace Prize.
| A． the; the | B． the; / | C． /; the | D． . /; / |
—I’m calling to say good-bye. I’m flying home tomorrow.
— .
| A．I’m sorry to hear that. | B．Congratulations! |
| C．I’m not sure. | D．Have a nice trip! |
He suddenly remembered that ___at home.
| A．he forgot his schoolbag | B．he left his schoolbag |
| C．his schoolbag had been forgotten | D．his schoolbag had been left |
Time ___, we’ll visit the university next week.
| A．permitted | B．permitting | C．being permitted | D．having permitted |
Seeing that the old lady had no chair ___, the boy offered her his own.
A, to sit B to be seated C. to seat herself D. to sit on