I'm not sure whether I can hold a party in the open air, because it___the weather.
—Have you found your watch? —No, it is ______to see anything in the hole.
—Are there any trees on _____ sides of the new street? —Yes, there are.
—____ my pen? —Yes, I ___ it on your desk five minutes ago.
—_____ and see a film this afternoon? —That’s a good idea.
—Can you tell me ______? —By doing more speaking.