单选题 The doctors are ___ about the guidelines under which they can carry out euthanasia.

单选题 It is obvious how bad movies will impact ___ children.

单选题 从下列各句后的四个选项(A、B、C、D)中选出一个能填入句中空白处的最佳选项：Look at his group of people____ beach volleyball.

单选题 Would you like ___ down and play in the milk for a few minutes before we clean it up?

单选题 从下列各句后的四个选项(A、B、C、D)中选出一个能填入句中空白处的最佳选项：Robots differ from automatic machines ___ after completion of one specific task, they can be reprogrammed by a computer to do another one.

单选题 从下列各句后的四个选项(A、B、C、D)中选出一个能填入句中空白处的最佳选项：Charles Smith, _ was my former teacher, retired last year.

单选题 —David has made great progress recently.— ___, and ___.

单选题 从下列各句后的四个选项(A、B、C、D)中选出一个能填入句中空白处的最佳选项：___, could you get me a Turkish conversation book?