---You needn’t take an umbrella. It isn’t going to rain.---Well I don’t know. It do.A. m

问题补充：

---You needn’t take an umbrella. It isn’t going to rain.

---Well, I don’t know. It do.

A. might

B. need

C. would

D. should

答案：

(答案→)A. might

B. need

C. would

D. should

解析：考查情态动词。句意：--你不必带雨伞。天不会下雨的。--呃，我不知道（会不会下）。它可能会派上用场。might可能，表示的可能性最小；need需要；would将要；should应该。根据I don’t know可知，“我”也不确定，用might最合适。故选A。