搜题

问题更新时间2023/4/3 12:59:00

I.d appreciate it if you could tell me how ________ the machine.

选择一项：

a.
operate

b.
operating

c.
to operate

答案

正确答案是：to operate

出自：国家开放大学 >> 国家开放大学理工英语3

王老师:19139051760(拨打)

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第1题

If you keep your house green, you avoid the ________ of many dangerous diseases. 选择一项： a. task b. chance

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第2题

There are ________ of ways to make your house look greener. 选择一项： a. plenty b. many c.

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第3题

____ trying to beat back the rising flood, innovative amphibious buildings can adapt to the rising flood. 选择一项： a.

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第4题

The boy still remembered the moment ________ he dropped from the ladder. 选择一项： a. that b. when c. ho

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