What’s this ________ English?—It’s a card．I got (得到) it _________ the morning.[ ]

We have a map______ the wall ______ our classroom.[ ]

I often play computer games_____ the Internet.[ ]

The following chapters provide step-by-step instructions for practical _______ of genetic (基因)engineering to agriculture.

Is this your MP3, Kathy?— No. ______ is in the bag.