This is Anna’s MP4. is at home.

I found there was only one copy of “Bighead Son and Small-head Father” on the bookshelf, so I decided to buy _______ at once.

While I ________to the programs, my mother ________outside.

______ so much electrical equipment,wood and paper in one place,there is a danger of fire.

Can you come and give us a talk on Thursday or Friday?—I am afraid ______ day is possible. I am very busy these days.