—Mary, what would you say to a holiday for the weekend?— I am simply tired of life here.
We __________ to paint the whole house but finished only the front part that day.
—When would it be __________ for you to go to the science museum with me?—I am free this Friday afternoon. Let's meet at 2 pm at the school gate.
I haven't seen Anna since she left our hometown two years ago, but we do keep in touch with each other by sending e-mails __________.
—Listen, there is some strange noise. This machine must be __________.—I think so. You must have it checked.
—Mom, it __________ is nice weather. I want to skate this afternoon.—Don't you think the ice on the lake is too thin to __________ your weight?