---- Who knocked at the door? ---- I’ve no idea. I just pretended nobody was at home, so I didn’t ask who was___.
It may not rain, but you had better take an umbrella__________.
I'd like to be a professional singer, but I don't think I've got
. The most favorite room is the tidy study with a fireplace, we can watch TV and enjoy the nice scenery outside.
I often have conversations with John over telephone, while keep in touch with Tom by__________ letter.
I lost my way in complete darkness and, matters worse, it began to rain.