---He’s passed the exam. ---_____.
You may take ___ half of the cake; they are exactly the same.
Our ____ resources and stable policy provide foreigners with the advantages of developing their business.
Once made out, the plan must be carried out ___ any difficulty.
I ___ on my report next week so I won’t be able to meet you any day.
____in the sports world, a sportsman needs to train constantly to keep himself in best condition.