A-A+
(It) is often easier (to select) a particular
问题详情
(It) is often easier (to select) a particular tool (than to use) (them) correctly.
A．It
B．to select
C．than to use
D．them请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：D
解析：them代替tool显然不正确。改“them”为“it”。
考点：
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