*东城区示范校2011届高三综合练习（二） Soinvolvedwithcomputers

问题详情：

*东城区示范校2011届高三综合练习（二）

 So involved with computers ____ that the leaders at the summer computer camps often had to force them to break for sports.

A. has the children become                       B. did the children become

C. has become the children                       D. became the children

【回答】

B

知识点：倒装与省略

题型：选择题