If I _____, I will go to the tea party this evening. [ ]

Following the guide, we went into a house, _________ wall hung a picture of Einstein.

Don’t worry about , mum. I’m old enough to look after .

No potatoes for me—I’m _______ a diet.

Hello, mum. Are you still on Lushan Mountain?－Oh, no. We are back home. We _________ a really good journey.