The scientist’s hypothesis was ______, as it failed to account for several key variables.
robust
flawed
comprehensive
sound
The diplomat’s ______ tone helped to ease the tension between the two nations.
confrontational
conciliatory
aggressive
antagonistic
The committee recommended that the project ______ until further notice.
is suspended
be suspended
will be suspended
has been suspended
Scarcely ______ the store when the doors closed behind him.
he had entered
had he entered
he entered
did he enter
______ by the ambitious goals, the team worked tirelessly.
Motivated
Motivating
To motivate
Having motivated