There is a "f"in the word "sofa".哪里错了?

There is a "f"in the word "sofa".哪里错了? there is a "f" in the word "fire"哪里错了 There is a toy in the sofa.这句为什么不说on the sofa 呢 There is ( ) "a" in the word "lake". There is( )"A" in the word. there is a sofa near the There is ( )"f"in the word "fox"A.an B.a 选择.原因.意思 There is ()“f”,()“u”and () “n” in the word“fun” There is ()"f" and ()"d" in the word "friend" There is _____"f" in the word "knife". there is __"f"and ___"u"in the word "fun".用a,an填空 选择填空1.There is _____ "u" and _____ "f" in the word "funny".A