问题
选择题
He is determined to become a specialist ________ computer when he grows up.
A．for
B．in
C．on
D．about
答案
答案：B
考查介词。in computer在电脑领域。句意：他决心他长大了成为电脑领域的一名专家。选B。
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He is determined to become a specialist ________ computer when he grows up.
A．for
B．in
C．on
D．about
答案：B
考查介词。in computer在电脑领域。句意：他决心他长大了成为电脑领域的一名专家。选B。