Try ______ the green button to see if the machine will start.

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问题 Try ______ the green button to see if the machine will start.

选项 A、press
B、to press
C、pressing
D、to have pressed

答案C

解析 此题考查不定式和动名词作谓语动词try的宾语的区别。try doing sth.是表示“尝试去做某事”,而 try to do sth.则表示“尽力去做某事”。
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