When you come into the exhibition hall,you can see a large board with a notice on it,saying visitors__________not to touch the exhibits.
Don't push! Please line up one after another. There's __________ room for everyone inside.
In the activities, we received __________ interesting books and magazines.
Is there __________ rain in your area in spring?
你可以在这些东西中随意选择。 You can make a(n)__________ among the things.
-The highway will be closed this weekend. -Are there any __________ methods of travel available?