- It seems to me traveling by plane is dangerous.- I don’t think so. ______ planes have the best safety records.
#50816
A
At most
B
At least
C
At last
D
At present
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He is young,but he can do something________.
#46857
A
on his own
B
on her own
C
on my own
D
on their own
My sister has learnt English        .
#47780
A
for twelve years ago
B
since she was four
C
twelve years ago
D
at the age of four