______the doors were closed and that all the lights were off, the boy left the classroom.
#97703
A
Check
B
To check
C
Checked
D
Having checked
推荐题目
Linda had her luggage________ an hour before her plane left.
#90354
A
check
B
checking
C
to check
D
checked
We didn’t expect them ___ for us when we arrived there so late.
#97334
A
to be waiting
B
to have been waiting
C
to have waited
D
to wait
 ______ into many languages, the book is popular in many countries.  
#88663
A
Being translated
B
Having translated
C
To be translated
D
Having been translated