Mywalletisnowheretobefound.I_____itwhenIwasonthebus.
A、mustdrop
B、shouldhavedropped
C、haddropped
D、musthavedropped
A、VitD缺乏性佝偻病
B、甲低患儿
C、颅内压增高
D、脱水患儿
A、12kg
B、14kg
C、16kg
D、18kg
Jennycomplainedthatthehospital________hertoomuchforthetreatment.
A、expended
B、paid
C、cost
D、charged