帮个忙,看看这英语阅读填词···实在头大,

题目

帮个忙,看看这英语阅读填词···实在头大,
EXAMPLE Toshi,a young Japanese man,arrived ____21____ Australia in May.He ____22____ looking forward to ___23___ his new English course for ages and ___24____ the moment he stepped into the foyer of the college,he knew the experience was going to be everything the brochures had said it _____25____ be,and more.On his first day,everybody at the college was _____26_____ friendly and welcoming that he felt very comfortable there.His teachers were _____27_____ better than he had hoped for.For his entire course,_____28_____ was about 20 weeks,he was very happy.On his last day he walked around the campus wondering ____29____ would have happened ____30____ he chosen a different college.He was sure his stay wouldn’t ___31___ half as enjoyable as it had turned out to be!
谢谢了先····要准确点!
【at】【 was 】【which】 【starting】 【had been】 【could】【 in】 【even 】【it】 【begin 】【so】 【what】 【if 】【had】 【would】 【very】 【have been】 【from】【 always】【 be】
根据这些词来弄····
谢谢先····

答案

Toshi,a young Japanese man,arrived (at) Australia in May.
He (was) looking forward to (starting) his new English course for ages and (from) the moment he stepped into the foyer of the college,he knew the experience was going to be everything the brochures had said it (would) be,and more.
On his first day,everybody at the college was (very) friendly and welcoming that he felt very comfortable there.His teachers were (even) better than he had hoped for.
For his entire course,(which) was about 20 weeks,he was very happy.
On his last day he walked around the campus wondering (what) would have happened (if) he chosen a different college.He was sure his stay wouldn’t (have been) half as enjoyable as it had turned out to be!