I really don't know ______.
A: to skate
B: how to skate
C: to skate how
D: how skate
A: to skate
B: how to skate
C: to skate how
D: how skate
举一反三
- I don’t skate now, but I (__) when I was a kid. A: used to B: am used to do C: was used to skate D: was used to skating
- I love ____ (skate) very much, but I don't love ____ (skate) today.(两个空用 “A;空一格B”形式作答)
- Bruce<br/>, ____<br/>do you skate? -Almost every day. A: .how long B: .how often C: .how far D: .how soon
- Don’t worry. It’s safe to skate on the lake.
- - Mike, I am going to skate in the mountains tomorrow. - Oh, really? _________（ ）