1
分值: 1.0分
Only by (create) ____ a clean environment can we truly encourage more tourists to come.
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2
分值: 1.0分
If you choose not to receive those emails, please let us know by (send)____ us a message.
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6
分值: 1.0分
The more people you meet, especially while (do)____volunteer work, the more contracts you’ll have.
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9
分值: 1.0分
They believe that a picnic with friends is a way to have fun without (spend)____ too much money.
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10
分值: 1.0分
You must fully charge the battery before (use) ____ your phone for the first time.
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12
分值: 1.0分
The company policy says you may not use your cell phone to receive or place calls while (drive) ____.
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14
分值: 1.0分
While (speak) ____ about the Internet of Things, he mentioned the steps taken by our company.
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16
分值: 1.0分
To sum up, when (talk) ____ about Smart Cities, I am talking about environmentally friendly cities.
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17
分值: 1.0分
When(receive) ____ packages in person, you should open them up, and ensure they are in good condition.
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