完美森林海藻冻安全吗:选择正确的答案

来源:百度文库 编辑:中科新闻网 时间:2024/07/02 18:12:44
1.Oh,the boy is falling________
A.up_______B.over_____C.across___D.with
2.Can Mary_______up?
A.catching--B.going----C.catch----D.is catching
3.Look,Jack ______across the field
A.walk___B.walking___C.is walking___D.walks

B
C
C