单选题 ( )lessons were not difficult.

单选题 (        ) the advances of sciences, the discomforts of old age will no doubt always be with us.

单选题 Understanding the cultural habits of another nation especialy ( ) containing as many different subcultures as the United States, is a complex task.

单选题 The book proved to be very reliablc and so was very

(       ) to him in his rescarch.

单选题 Maggie ran back to the kitchen, eggs ( ) carefully in her hands.

单选题 She hadn't much ( )for hearing good music.

单选题 We desire that the tour leader ______us immediately of any change in plans.

单选题 I am looking for work, are there any ____  position in your firm?