—The light is still on in his room. Do you know ___________ ?
—Maybe he has to study for a test.
A.if he works hard |
B.who he is studying with |
C.what he is busy with |
D.when he will stop working |
—The light is still on in his room. Do you know ___________ ?
—Maybe he has to study for a test.
A.if he works hard |
B.who he is studying with |
C.what he is busy with |
D.when he will stop working |