题目内容
I_______ laughing when my son made a face.
A. burst into B. burst upon C. burst out D. burst on
C
解析:
略
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I ______ laughing when my daughter made a face.
| A．burst out | B．burst into | C．burst upon | D．burst on |
解析:
题目内容
I_______ laughing when my son made a face.
A. burst into B. burst upon C. burst out D. burst on
C
略
I ______ laughing when my daughter made a face.
| A．burst out | B．burst into | C．burst upon | D．burst on |