单选题 They have never heard any _______.

单选题 Could you show me where the _______ shoes are?

单选题 It took me a long time to ________ the disappointment of failing the exam.

单选题 He opened the letter and it contained ________.

单选题 Young ________ he is, he knows how to get along with others.

单选题 The retired man is used to ________ his two dogs early in the morning.

单选题 She _______ 100 pages of the book today.

单选题 He has been writing for 3 years, but being a writer is not his ________.