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It was very important for us  ________ happy every day.
#92605
A
to stay
B
stay
C
stayed
D
staying
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_______ is necessary for you to lock the car when you don’t use it.
#93923
A
What
B
This
C
It
D
That
 _____ at the door before you come into the room.
#94211
A
Hit
B
Knock
C
Touch
D
Strike
---Would you like me to carry the box?  ----_____.
#94622
A
Yes, I would
B
Yes, I'd like to
C
It’s pleasure
D
No, thanks. I can't manage it myself
Only when you told me about it ________ what a silly thing I had done.
#93506
A
I realized
B
did I realize
C
I did realize
D
did I realized
________, his suggestion was taken by all the people at the meeting. 
#93894
A
owever strange might it sound  
B
owever strange it might sound
C
owever it might sound strange 
D
trange however it might sound