Hello. What's ____ with you.
A. thing
B. wonder
C. wrong
D. problem
查看答案
Please take a deep _________ and calm down.
A. breath
B. breathe
C. breathed
D. breathing
How are you ?
A. feeling
B. fell
C. felt
D. fells
已知a=[i for i in range(1,10,2)],则a[1]和len(a)的值分别为( )。
A. 1、5
B. 3、5
C. 3、9
D. 1,9