－How _________ will you be able to finish the painting?－In a couple of hours.A.soonB.often C.longD.fast A和C选哪个,我怎么分不清,HOW FAST在什么时候用呀?

－How _________ will you be able to finish the painting?－In a couple of hours.A.soonB.often C.longD.fast A和C选哪个,我怎么分不清,HOW FAST在什么时候用呀?
－How _________ will you be able to finish the painting?－In a couple of hours.
A.soon
B.often
C.long
D.fast
A和C选哪个,我怎么分不清,HOW FAST在什么时候用呀?

－How _________ will you be able to finish the painting?－In a couple of hours.A.soonB.often C.longD.fast A和C选哪个,我怎么分不清,HOW FAST在什么时候用呀?
A是正确的答案
how soon意思是多久,而且一般用在将来时,而how long一般是问用了多长时间,而且一般用于过去时.而how fast一般对速度提问,如How fast does your drive your car?