----The light in the room is still on. Do you know_______?
----In order to prepare for the coming exam.
A.if he works hard | B.why he stays up late |
C.why is he so busy | D.when he will stop working |
----The light in the room is still on. Do you know_______?
----In order to prepare for the coming exam.
A.if he works hard | B.why he stays up late |
C.why is he so busy | D.when he will stop working |