Good heavens! There you are! We＿＿anxious about you, and we ＿＿you back throughout the night

We have 24 offices, each ____computers

We cannot figure out _______ quite a number of insects, birds, and animals are dying out.

Have you returned the book to the library ____ — Yes, I have ____ returned it.

34. —How do you find the new job?—It’s hard to find ______ work so that I hardly care what it is ______ I can make a living.