——I called you yesterday evening, but nobody answered the phone.——Oh, I ___ a walk with my parents at that time.
A:took
B:was taking
C:am taking
D:take
自然界中动物种类繁多,形态千差万别.下列有关叙述错误的是( )
这些数中正确的排序是( )
Christine is selling her house, but on ______ other hand she doesn't want to move.