网址:http://m.1010jiajiao.com/timu_id_2345142[举报]
There is ________ “f” in the word“knife”.
[ ]
There is ________“f”in the word“knife”.
A.a
B.an
C./
D.the
There(有) is ______ "f" in the word "knife".
A. / B. the C. a D. an