问题
选择题
.
．When I came into the classroom , I found him _______ with his study.
A．occupied
B．occupying
C．to be occupied
D．was occupied
答案
答案：A
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.
．When I came into the classroom , I found him _______ with his study.
A．occupied
B．occupying
C．to be occupied
D．was occupied
答案：A
