单选题 Life has no meaning except in __________ of responsibility.

单选题 For those who are having strong immune system, the viruses will not __________ them.

单选题 He had to make a great __________ to be pleasant to people he didn’t like.

单选题 They __________ about the injustice of the system bitterly.

单选题 Who __________ you into writing that letter?

单选题 We should __________ to it that all work done conforms to high standards.

单选题 What value can you __________ our organization?

单选题 She __________ on her daughter’s taking the TOEFL again.

单选题 China is striding ahead in her __________ construction.