The window was broken. Try to ________ who has broken it.
-There_______ a show next weekend. Would you like to watch it? -Of course, I'd love to.
We are happy_______ you to the party for our friends from Beijing.
After reading for an hour, you'd better_______ the green trees for a minute or two.
Do you need help _______ your Maths homework?
Which floor do you_______ this tall building?