. When the teacher came in, the student pretended ________ his lessons.
#97637
A
to do
B
to have done
C
to be doing
D
to be done
推荐题目
A thief broke into the house at midnight, ______ the house in a mess .
#94453
A
left
B
to leave
C
leaving
D
having left
     water will make the fish in the pond       .
#93140
A
Polluting; die away
B
Being polluted; die off
C
Polluted; die out
D
Pollution; die down