【简答题】阅读理解。 We're all connected. You can send an e-mail message to a friend, and your friend can pass it on to one of his or her friends, and that friend can do the same, continuing the chain. ually, y...
【简答题】看图填空。 1. This is a ____________. You can send your friend an ____________. 2. This is a piece of ____________. You can send your friend a ____________. 3. This is a ____________. You can put the stamp...