________ doesn’t seem to have been much difficulty in solving the problem.

You’ve dropped ________ “s” in the word “necessary”.— Oh, ________ letter “s” is doubled.

My scarf made of silk feels _______ and _______. Ms. Cao also wants to buy one like mine.

Is that ______ volleyball?—Yes. Jim likes playing ______ volleyball. ______ volleyball is his.

I _____ ten minutes to decide whether I should reject the offer.