—The poor weather was _________ responsible for the crash.—I’m with you on that. Carelessness was also to blame. 

There was such a long queue for coffee at the intervals that we __________ have to give up.

The patient’s progress was very encouraging as he could ________ get out of bed without help.

---I have seen so little of Mike______. Is he away on business?---Oh, no. He just leaves for his office and returns very ______.

However _____ they are designed, pens should function as a tool to write with.