• 1. (2019·天水) 指出这三个句子在一般情况下应该用什么语调。
  ①—Shall we go to the shopping centre by bike or by bus？

  ②—By bus.

  ③—How far is it from here？

  A . ①升调②降调③降调 B . ①降调②降调③降调 C . ①升调②降调③升调 D . ①降调②降调③升调