He returned to work after recovery from his illness, _______ another employee had taken his place.
A. only to tell
B. only to be told
C. only to be telling
D. to be told
查看答案
网店运营中的三要素之一:流量,是指( )
A. PV
B. UV
C. MV
D. ROI
下颌下腺导管开口于( )
A. 舌下襞
B. 舌下阜
C. 舌系带
D. 舌乳头
E. 舌粘膜