fire engine前用a还是an

fire engine前用a还是an call a fire engine与call the fire engine一样吗? The fireman is driving the fire-engine (at a about 100 miles an hour now.)就划线部分提问（ ） （ ） （ ） the fireman driving the fire-engine?（提问和补充说明是一道题） fire-engine是什么意思 fire engine是什么意思 填空 Please___the fire engine.a.take b.bring c.make 选择 Please__the fire engine.a.take b.bring c.make hour前用a还是用an onion前用介词a还是an mp3前用冠词a还是an University前用不定冠词a还是an? Australian前用a还是an exchange student 前用a还是an? useful one前用an还是a unit前用an 还是a数 european girl 前用a还是an ugly 前用a 还是 an color前用a还是an