英语翻译：他不敢做飞机.He was afraid ________in a plane.
问题描述：
英语翻译：他不敢做飞机.He was afraid ________in a plane.
答
to fly be afraid to do sth
英语翻译：他不敢做飞机.He was afraid ________in a plane.
to fly be afraid to do sth