1:A:John,someone in your class phoned you this morning.B:Oh,who was ( A.he.B.she.C.it.D.that
问题描述:
1:A:John,someone in your class phoned you this morning.B:Oh,who was ( A.he.B.she.C.it.D.that
答
D打电话不知道人时用that
敲门时,不知道谁就用it