In my apartment there are two rooms, _____ is used as a living room.
| A．larger one | B．the larger of which |
| C．the largest one | D．the largest of which |
— Did you look up the time of planes to Beijing?
— Yes, the earliest plane is to leave at 5:30 am.
| A．likely | B．probable | C．possible | D．due |
His sister has recently got engaged ____ a foreign teacher, who has engaged ____ education research for years.
| A．with; in | B．to; in | C．with; on | D．in; for |
— Don’t be disappointed. Have another go, OK?
— _______ .
| A．With pleasure | B．It’s my pleasure |
| C．That’s all | D．Good idea |
— Why do you want the book so much?
— ____, sir.
| A．Studying | B．Studied | C．Studies | D．To study |
—_______ that he managed to get the information?
— Oh, a friend of his helped him.
| A．Where was it | B．What was it | C．How was it | D．Why was it |