Mary____walking into the shop with her sister. (a)is (b)are(c)be(d)am一定要正确的!
问题描述:
Mary____walking into the shop with her sister. (a)is (b)are(c)be(d)am
一定要正确的!
答
Mary____walking into the shop with her sister. (a)is (b)are(c)be(d)am
一定要正确的!