27. The reason why Daisy eats so little is that she is _________ a diet and she is trying to _______ weight.

I saw Tom in the meeting-room, so heattend the meeting.

. It was the fact _______his father was ill in hospital_________ worried him and kept him awake for a whole night .

Lucy,doyou go to the park—Three times a week.

Must we keep the window _______ all the time—No, you don’t have to.