单项选择题

I ______ English ever since I came here in the United States three years ago.

A．am learning
B．was learning
C．have been learning
D．have learned
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单项选择题
______, he knows a lot.
A．A child though he is
B．A child when lie is
C．Child as he is
D．Child though he is
单项选择题
It ______ fine, we decided to have an outing.
A．is
B．was
C．were
D．being
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