The exercises ________to be harder than we thought.You should practice more before the exam. Remember, practice makes perfect.
He studies ______ at Chinese for one year, but he can still_______speak it.
Spring is coming.I feel like __________weight (减肥).
The scientists in China are trying __________ the ways to reduce the fog and haze (减少雾霾).
I want to cook ________ for my parents.
----________ is he staying? ----For a month.