Question

------ I wonder ______ you’ll water this kind of tree. ------- Once a week. A．how often B．h

------ I wonder ______ you’ll water this kind of tree. ------- Once a week. A．how often B．how long C．how soon D．how much

Answer 1

A

疑问词辨析。how often多久一次；how long多长；how soon多久；how much多少钱。根据下文once a week一周一次，可知上文提问频率，故选A。