There are many magazines in the bookshop. I don’t know ____ to buy.

My aunt and uncle usually bring some gifts ______ me when they come to visit.[ ]

d man fell down the front steps, knocked his head, and lost ________; when he woke up, he was back in his house.

Will you fix up the machine according to the , David—Yes, I will.

It was funny to see that the dog’s eyes immediately ________ at the sight of its owner.