44.（ ）if I had arrived yesterday without letting you know beforehand?

56.There is no doubt（ ）the committee has made the right decision on the housing project.

55.It is not so much the language（ ）the cultural background that makes the film difficult to understand.

54.Which of the italicized parts expresses a future tense?

53.Which of the following statements is INCORRECT?

52.Mary is（ ）hardworking than her sister, but she failed in the exam.

51.When you have finished with that book, don’t forget to put it back on the shelf,（ ）?

80.Our experiment was conducted under （optimal） conditions. The underlined part means（ ）.

79.The employers prepared, with all due（ ）for a conference with the Trade Unions.

78.There is no （conceivable） reason why there should be any difficulty during the project. The underlined part can be replaced by all the following EXCEPT（ ）.

77.The whole country was in（ ）over the result of the elections.