Mr Smith told me that he wasn’t used to ___ by plane and he usedto __sick a lot.
I like this room. You ______ see the mountains from the window.
Which book is ______ to understand, this one or that one?
I phoned Sarah last night, ______ there was no answer.
I always go skiing with my friends ______ winter.
The students are talking about ______ holiday plans happily.