用括号内的词的适当形式填空。
(1)How much _________ (be)the glasses? They _________ (be)$ 15.
(2)Which is _____________ (big), the bear or the panda? The bear is.
(3)I like ____________ (swim)very much. I usually __________ every day.
(4)___________ (be)you good at ______________ (ice-skate)? No, I’m not.
(5)How often does Jenny go hiking? She __________(go)hiking once a month.
(6)I’m ____________ (go)to get two _______________ (box)of tissues.