In order not to be disturbed ,I spent three days      in my study.
#98635
A
locking
B
locked
C
to lock
D
lock
推荐题目
She woke up, ___ a Young Pioner standing by his bed smiling.
#98665
A
in finding
B
to find
C
finding
D
to have found
I sat until after eleven,______in a book.
#98147
A
absorbing
B
having absorbed
C
absorbed
D
having been absorbing