— What's_____?— ______apen.[ ]A.this;ItsB.this;This'sC.that; It'sD.that;That's-七
[ ]
题目简介
— What's_____?— ______apen.[ ]A.this;ItsB.this;This'sC.that; It'sD.that;That's-七
题目详情
— ______ a pen.
[ ]
B. this ; This's
C. that ; It's
D. that ; That's
答案