Verbal Ability Practice #50

Read the following sentence and choose the best alternative which should replace the italicized part of the sentence.
Economic theory fails to explain the extent to which savings from personal income has shifted to short-term bonds, money-market funds, and other near-term investments by the instability in the futures market.

Choose the option where the word has been used incorrectly.

In the questions below, the sentences have been given in Active/Passive voice. From the given alternatives, choose the one which best expresses the given sentence in Passive /Active voice

You should open the wine about three hours before you use it.

Choose the option where the word has been used incorrectly.

Select the option which best changes the given sentence from active passive voice:
The invigilator was reading out the instructions.