——There must be a dozen pens in this house but I can never find one when I need one.——Keep looking. is sure to turn up.
We couldn’t have picked ______ day for the picnic — it rained nonstop.
“Are you satisfied with his answer?” “Not at all. It couldn’t have been ____.”
With the development of science, more new technology _______ to the fields of IT.
She did better in the exam not only than _____ in her own class but also than _____ in mine.
The result what he said would lead _____ his regret in the future.