there is( )“s"and( )"t"in the word "sit'' A.a an B.an a C.an the D.a the
问题描述:
there is( )“s"and( )"t"in the word "sit'' A.a an B.an a C.an the D.a the
答
there is( )“s"and( )"t"in the word "sit'' A.a an B.an a C.an the D.a the