--- ____homework is required for a middle school student every day ?          ---About two hours .                                            
#41165
A
How much
B
How many
C
How long
D
How often
推荐题目
——      do you eat vegetables?——Every day.
#40803
A
How long
B
How often
C
How much
D
how far
—________ do you update your micro blog (微博)?  —Twice a week.
#41207
A
How long
B
How often
C
How many times
D
How soon
             ,we’ll go for a picnic next week. 
#41098
A
If weather permit
B
Weather permitting
C
Weather permitted
D
Weather permission