.It’s already 10’clock. I wonder how it______that she was two hours late on such a short trip.
He suggests we ____ to the cinema at once, otherwise we ____ late.
Come and see me whenever ____.
In the ant city, you will see many problems _____ in this way.
From his _______expression, we can guess that the problem maybe was quite _______.
I have had my bike ___ , and I'm going to have somebody ___ my radio tomorrow.