To make your DIY work perfect , you’d better not start you get all the tools ready .

I remember he lives in the room __________ window faces south.

Entering the room, I found Mary _______ at the desk and _______ a letter.

（题文） you start eating in a healthier way, weight control will become much easier.

These remarkable findings suggest the elephants have ________ a memory capacity to make distinctions between human voices.