单选题 The long and ________ lecture made the students feel bored and restless.

单选题 The kind stranger felt ________ to help the lost child find his way home.

单选题 The sponge can ________ a large amount of water in a short time.

单选题 The company's profits ________ expectations this quarter, surprising everyone.

单选题 What does "distinguish" mean in Chinese?

单选题 What does "complementary" mean in Chinese?

单选题 The professor asked the students to ________ their essays into a single paragraph.

单选题 The sudden news of the accident caused great ________ among the family members.

单选题 Which word means “（经济）下降，衰退”?