一、单项选择从下列每题所给的选项中，选择一个最佳答案。（15分）
1. The train went through ______ 180-meter-long tunnel at ______ high speed.
A. a; a B. an; / C. an; the D. a; /
2. ---- How did you put together the model plane so perfectly?
---- It’s easy. I just followed the ______ .
A. instructions B. instruments C. interviews D. inventions
3. ---- What do you think of the film T he Fate of the Furious 8 (速度与激情8)?
---- It is ______ one I’ve ever seen, so I suggest you watch it in your free time.
A. more excited B. more exciting C. the most excited D. the most exciting
4. ---- If your parents wanted to have a ______ child, would you agree?
---- Of course. But they should make it in ______ years’ time.
