The artist had to ______ a lot before _______ recognized for his talent.

He finds it difficult to . . . . . . between blue and green as he is colour blind.

They ______ a sound infrastructure in order to _________ with the new challenges.

A cheerful man . . . . . . . all difficulties and hardships with a smile on his face.

The library expects you to return each and every book that you have . . . . . . .

. . . . . . . . the room, the door suddenly swung shut and hit him in the face.

The . . . . . . . . of the discussion is still not known.

This is a . . . . . . . . translation of the speech.

I congratulate you . . . . . . . . your success.