1. Travelling by ship is vey comfortable.
2. Doing too much exercise is useless.
3. I spent the whole afternoon writing to my frind(s).
4. Do you mind my using the computer in your office?
1. Travelling by ship is vey comfortable.
2. Doing too much exercise is useless.
3. I spent the whole afternoon writing to my frind(s).
4. Do you mind my using the computer in your office?