— _____ you spell “computer”?    — C-O-M-P-U-T-E-R. 
#62040
A
How
B
Do
C
Can
D
How do
推荐题目
——_________ should your robot need_________ batteries?——Every two months.
#62268
A
How soon, to be changed
B
How long, to change
C
How much, change
D
How often, to change