问题
选择题
That little boy has some trouble _______ in public.
A．to speak
B．speak
C．speaks
D．speaking
答案
答案：D
考查固定结构。Have trouble （in）sth/doing sth某事或者做某事有麻烦，in可以省略，故选D。
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That little boy has some trouble _______ in public.
A．to speak
B．speak
C．speaks
D．speaking
答案：D
考查固定结构。Have trouble （in）sth/doing sth某事或者做某事有麻烦，in可以省略，故选D。