—The light in his office is still on. Do you know ?
—In order to prepare for tomorrow’s meeting.
A.if he works hard | B.why he stays up so late |
C.that he is so busy | D.when he will stop working |
—The light in his office is still on. Do you know ?
—In order to prepare for tomorrow’s meeting.
A.if he works hard | B.why he stays up so late |
C.that he is so busy | D.when he will stop working |