1.

Direction: Choose the correct option for the fill-up number ____(82)____.For most of us, our smartphone is the ___(81)___ thing we look at in the morning and the last thing we ___(82)___ before going to bed. But, is it a right ___(83)___? Well, it is not. As per the ___(84)___ study, using a smartphone right before bedtime actually ___(85)___ the overall quality of sleep.

A. check
B. charge
C. remove
D. keep
Answer» B. charge


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