— I wonder you’ll water this kind of flower.—Once a week. A. how oftenB. how longC. how s

问题补充：

— I wonder you’ll water this kind of flower.

—Once a week.

A. how often

B. how long

C. how soon

D. how much

答案：

(答案→)A. how often

B. how long

C. how soon

D. how much

解析：考查疑问词：A. how often多久一次，B. how long多长时间C. how soon多快，D. how much多少，从答语：once a week，可知选A。句意是：我想知道你要多长时间浇一次这种花。--一星期一次。