given three books on sewing, thefirst ______ I really enjoyed.

.Everyone knows that _______ is dangerous to play with fire, but _______ is difficult is to prevent children from playing with fire

May I use your car?-No,I__________.[ ]

Of the making of good books there is noend; neither ______ any end to their influence man’s lives.

After a short rest, the soldiers keep on _________till midnight.