—Excuse me, would you lower your voice or use your mobile phone outside? —Oh, sorry.I_______
#71097
A
didn’t realize
B
don’t realize
C
haven’t realized
D
hadn’t realize
推荐题目
Passengers on board aren’t allowed _____ calls during take-off.  
#67147
A
making or receiving
B
having made or received
C
to have made or received
D
to make or receive
This dictionary ________ me. It cost me twenty dollars.
#68129
A
is belonged to
B
is belonging to
C
belongs to
D
belonged to
The students are _____ to hand in the exercises before class. 
#81685
A
wished
B
hoped
C
enjoyed
D
promised