He is the sort of businessman who would do anything in his （ ） of profit.

—Professor Wang, must I hand in the paper this week? —No,（ ） . You can hand it in next week.

（ ） we have all the materials ready, we should begin the new task at once.

I recognized John （ ） he entered the room.

—Do you like the material? —Yes, it （ ） very soft.

_____, the professor is still trying to learn a new language.

I love thinking of new designs. It keeps my mind clear and active and fills my retired life with （ ）.

The kidney transplant operation was _____ complicated， so the operating team had to take special care to ensure its success.

When I saw the expression on his face, I realized he is （ ） agreement with me.

（ ） he often forgot their wedding anniversary greatly annoyed his wife.

Patients’bills of rights require that they （ ） informed about their condition and about alternatives for treatment.

Only those who have tasted bitterness will （ ） among others.