We have to collect enough evidence()that we have suffered a lot of damages.
A. showing
B. to show
C. showed

早产是指下列哪项A.妊娠20周至＜37周的分娩B．妊娠20周至＜38的分娩C．妊娠28周至＜37周的分娩D．妊...

单项选择题早产是指下列哪项

孕卵开始着床是在受精后下列所指哪项时间A.第1天B．第2～3天C．第4～5天D．第6～7天E．第9～10天

单项选择题孕卵开始着床是在受精后下列所指哪项时间

He speaks German, but his native()is French.A. tongueB....

单项选择题He speaks German, but his native()is French.
A. tongue
B. voice
C. accent