26. You should have been more patient ________ that customer; I‘m sure that selling him the watch was a possibility.

A) of B) with C) for D) at

27. ________ he works hard， I don‘t mind when he finishes the experiment.

A) As soon as B) As well as C) So far as D) So long as

28. We love peace， yet we are not the kind of people to yield ________ any military threat.

A) up B) to C) in D) at

29. Which sport has the most expenses ________ training equipment， players‘ personal equipment and uniforms?

A) in place of B) in terms of C) by means of D) by way of

30. I‘m sure he is up to the job ________ he would give his mind to it.

A) if only B) in case C) until D) unless

 26-30 BDBBA