Why does Mary look so sad? – Maybe the things _______ she saw made her think of her grandmother.

_ Excuse me, _______is the nearest bookshop? _Go down the street and turn left at the second corner.

I’m looking forward __ my pen pal in Shanghai next week.[ ]

What’s the weather _________ in Beijing?——It’s terrible in summer, too hot and humid.

All the students are working hard now.—_______. Because all of them want to go to good colleges.