He made _______ an excuse for his failure in order to avoid _______.
___, I think, and the problems could be settled.
—He hasn’t finished the work yet. —Well, he _____.
Be careful with such things. If you ____, you’ll drop them.
—Are there any English story books for us students in the library? —There are only a few, ____________.
—Alice, why didn’t you come yesterday? —I ___, but I had an unexpected visitor.