It’s time________ lessons. But Lily isn’t in the classroom.
It’s good ___ you to keep____ when you have something difficult_____.
—Who’s the most modest boy in your class? –Daniel. He never_____ in public.
We are not sure if it ________ tomorrow. If it________, we won’t go hiking.
How nice you are! You always do what you can ____________ others.
—I think it’s impossible for us to work out the plan in just two days. It’s too difficult.—You’re right. We can’t be _______ careful while working on it.