Question

it is ___that globally, 10 billion plastic bags are used each week(a) estimating (b) estimate (c) estimated d) estimates
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Answer 1

Answer:

The correct sentence here would be:

It is estimated that globally, 10 billion plastic bags are used each week.

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Answer 2

The answer is 'c) estimated.'

It is estimated that globally 10 billion plastic bags are used each week.

Tense

• Tense refers to the forms of the verbs which indicate the period in which the action is taking place.

• The sentence is present in the passive voice, and the object is omitted. Thus it should take the past participle form of the verb.

• The past participle form of 'estimate' is 'estimated.' Thus, it is used.