I decided _________at home and had a good rest first. [ ]
A. stay
B. to stay
C. staying
B
药师建议临床中药注射剂应单独输液时,其咨询对象为( )
A.医生
B.患者
C.患者家属
D.护士
E.看护人
He was()the preparation of an international conference when I arrived in Beijing.
A.engaged to
B.engaged for
C.engaged on
D.engaged in