Some people go back to university to ____ more knowledge after having worked for many years.
| A．require | B．inquire | C．acquire | D．request |
The teacher doesn’t believe his reason for being absent from class ___ he was ill, ____mad him sad.
| A．that ; which | B．why; which | C．why; what | D．that ;what |
—— Bob has gone to California.
—— Oh, can you tell me when he _____?
| A．has left | B．left | C．is leaving | D．would leave |
It’s easy to learn a country’s culture if one is ____ with its language and customs.
| A．similar | B．familiar | C．sensitive | D．flexible |
In it were photos of all the actors of our show, _____ signed by each performer.
| A．frequently | B．lonely | C．personally | D．actually |
When I stayed in the countryside, I enjoyed ___ leisurely walk on the country road, and felt ___ warmth of the sun on my face.
| A．/; the | B．a; a | C．/; a | D．a; the |