The sign says that children are admitted only if ________ by an adult.
#80121
A
to be accompanied 
B
accompanying
C
accompanied 
D
to accompany
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_____,she may not catch up with her sister Lisa. 
#83885
A
Hard though she works
B
Hard although she works
C
Hard works she
D
Hard even if she works
______ met, it won’t be easily forgotten.
#83983
A
If you
B
when it
C
once
D
Once you were
 ____, he doesn’t study well.
#80263
A
As he is clever
B
He is as clever
C
Clever as he is
D
As clever he is
The weather in Ningbo is rather cold in winter, especially when ____ that in my hometown.
#81104
A
having compared to
B
comparing to
C
compare to
D
compared to