——Tomorrow ____ my birthday. I’d like you and Jane to come.——I’m not sure if she ____ free.

 Whether the Spring Festival _____ by Christmas arouses increasing attention in China. 

Hundreds of Swedish workers are trialing a six—hour working day in the hopes that it will_____ sick leave and save the country money.

Since you are always working hard at your lessons, your efforts will ________.

 If the new arrangement doesn’t _____, we’ll go back to the old one.