问题
选择题
-What has made you so happy,Mary?
-Oh,I've just________an old friend I haven't seen for years.[ ]
A.come upon
B.come in
C.come out
D.come up
答案
答案:A
-What has made you so happy,Mary?
-Oh,I've just________an old friend I haven't seen for years.[ ]
A.come upon
B.come in
C.come out
D.come up
答案:A