— Sorry for being late again.
— here on time next time, or you'll be punished.
A:To be
B:Being
C:Be
下列探究蚂蚁食性的过程是科学探究“作出假设”步骤的是( )
复数1-i2等于( )
去年尼克在夏令营待了四周。
Last year Nick spent four weeks at a(n)____ ____