Of all the books on the desk, ______ is of any use for study.
According to the periodic table,still some elements undiscovered.
Calculations, which are astronomically exact, have been madewith the use of computers.
The man deniedany thing at the supermarket when he was questioned by the police.
“Do you thinkI should attend the lecture?” she asked me.
Some womena good salary in a job instead of staying home, but they decided not to work for the sake of the family.