The man we followed suddenly stopped ad looked as if ______whether he was going I the right direction.
#84114
A
seeing
B
having seen
C
to have see
D
to see
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Little ______ that we were watching his every move，so he seemed to be going his own way in this business.
#81460
A
did he know
B
he didn't know
C
didn't he know
D
he knew
Perhaps not in my memory. , it might have been during my early childhood.
#81306
A
If ever
B
If any
C
If once
D
If so
__ we know, in a chemical change, energy cannot be created, ____.
#84563
A
Which, nor can it be destroyed
B
As, neither it can be destroyed
C
As, neither is it able to be destroyed
D
What, nor is destroyed
Only by practising a few hours every day ________ be able to play the piano well.
#80353
A
you would
B
would you
C
you will
D
will you
Not until he went abroad to further his study_______ the importance of English.
#82848
A
has he found
B
he has found
C
did he find
D
he had found