She is the only one among the ______ writers who _______ stories for children.

In spite of the city’s crowded urban environment, opportunities for outdoor _______ are never lacking.

---- Water can dissolve almost anything and give nutrients to creatures. ---- Yes, and that’s one of its __________.

There were so many cars held up by the heavy rain on the road that we had no        but to wait.

Now that there are only a few minutes left, we’d better talk about the plan in _____.