Present Perfect
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Prepositions
Prepositions
Past Tense / Past Progressive
Past Tense / Past Progressive
Many respondents did not provide ______ answer to question 4…
Many respondents did not provide ______ answer to question 4.
In recent years, more people ______ aware that prepared food…
In recent years, more people ______ aware that prepared foods contain too much salt.
Directions: One underlined word or phrase has an error. Corr…
Directions: One underlined word or phrase has an error. Correct it. In industrialized markets, producers carry out specialized activities. Specialization leads to higher levels of productive.
Directions: One underlined word or phrase has an error. Corr…
Directions: One underlined word or phrase has an error. Correct it. Telecommunications engineers design and build technology that transmission information over long distances.
Researchers ______ a cure yet.
Researchers ______ a cure yet.
The relationship ______ teachers and students affects motiva…
The relationship ______ teachers and students affects motivation.
While the ship ______, the stern broke in two.
While the ship ______, the stern broke in two.