- Junior high school days will be over _______ a week. How are you feeling?
- I'm trying to keep my cool because we've been together ________ three years.
A:in; in
B:for; in
C:in; for
D:for; for
它是一个三位数,同时是2、3和5的倍数,它最小是____。
人的性别决定是在( )
如图表示的实验器具的名称是( )