Why was she unhappy yesterday ?— A call from home ______ an attack of homesickness.

Would you like to go to the amusement park—If Jack does，________．

The World Wide Fund for Nature is an organization_____aim is to protect wildlife. 

mputer was used in teaching As a result, not only__________,but students became more interested in the lessons

71People eat a lot of sugar __________ cakes, soft drinks, sweets and so on every day