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【单选题】
You should pay more attention your spelling. You have made some mistakes. [ ]A.
to
B.
with
C.
for
D.
on
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【单选题】--- Have you been to the Great Wall? --- Perhaps not in my memory. _________, it might have been during my early childhood. [ ]
A.
If any
B.
If ever
C.
If not
D.
If possible
【单选题】-- Have you been to the Great Wall? -- Perhaps not in my memory. _______, it might have been during my early childhood.
A.
If any
B.
If ever
C.
If once
D.
If not
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