—How much is _____ for a schoolbag?— Experts say students should carry _____ more than 10% of their body weight.
The figure skating team will look forward to changing their medal into a gold ____ at the Pyeongchang 2018 Olympic Winter Games, ___ they have been dreaming of for many years.
While protests have removed the president from his position, the country has been suffering a sharp _____ in its economy.
Sustainable living is ____ lifestyle that attempts to reduce _____ society’s use of the natural resources.
–Are you tired? -- _______. I can’t walk on a step farther and I am dying for some water.
---How was your trip to Sichuan? ---Wonderful! I’ve never had _____ one before.