求助二道英语选择题(请写明原因)

问题描述:

求助二道英语选择题(请写明原因)
1.With a book in his hand ,the boy ___in bed.
A.lie B.lied C.lay D.lying
2.The teacher asked ___students to do our homework by ourselves.
A.the B.his C.some D.us E.their

1.C
2.D