金榜学案英语八年级上册练习题He hardly takes ____,so the doctor asks him to

金榜学案英语八年级上册练习题
He hardly takes ____,so the doctor asks him to do some running and morning____.
A.exercises;exercises B.exercise;exercise
c.exercises;exercise D.exercise;exercises
I wonder ____you'll wate this kind of tree.
—Once a week.
A.how often B.how long
C.how soon D.how far