Pronouns
Sarah and ____ went to the library after class.
I/me
The symposium begins ____ 9:00 AM ____ October 12th.
At/ On
She ____ speak four languages when she was ten years old.
Could
What is the past participle of write?
written
Yesterday, the engineer ____ the initial schematic on the whiteboard (draw)
drew
The algorithm optimizes ____ parameters automatically without human intervention.
Its
He was sitting ____ the back row ____ a private bus when the announcement was made
In/On
You ____ enter the cleanroom without protective gear; it is strictly prohibited
must not
The lake had completely ____ over during the sub-zero night.
frozen
The high-pressure valve ____ open during the stress test. (blow)
blew
Neither of the researchers had completed ____ dissertation on orbital mechanics before the deadline
His or Her
___ the face of severe empirical contradictions, the team persisted ___ the expense of their rest."
In / at
They ____ sent the trajectory telemetry earlier; now the orbital insertion has failed.
should have
Differentiate usage: The vessel had ____ to the bottom, but they found a ____ chest. (sink)
sunk / sunken
The lumberjack ____ the massive oak tree with a single axe stroke yesterday. (fell)
felled
Award the research grant to ____ you believe presents the most mathematically rigorous hypothesis
Whoever (It acts as the subject of "presents"; "you believe" is a parenthetical clause)
The experimental apparatus was entirely devoid ____ calibration, making it incompatible ____ standard laboratory metrics
of / with
Explain the exact semantic difference between: 'She needn't have run the simulation' and 'She didn't need to run the simulation
Needn't have' means she ran it unnecessarily; 'didn't need to' implies it wasn't necessary, and she likely did not run it
The warrior was instantly ____ by intense remorse after realizing his strategic blunder. (smite)
smitten or smote
The operative ____ silently through the dark corridor to avoid detection. (slink)
slunk
Identify and correct the grammatical error: 'We were greatly astonished at him failing the thermodynamics exam despite his thorough preparation.
him failing --- his failing
Complete the idiomatic prepositional structures: 'The CEO resigned ____ the behest of the board, acting ____ pain of immediate prosecution if he refused
at / on
The lab doors were locked from the inside and the log was empty; the researcher ____ left hours ago without signing out
must have
Complete all three blanks with their historical, highly specific attributive/verbal irregular past participles: 1) The wood was thoroughly ____ (seethe) in salt water; 2) the flock had been fully ____ (shear) before winter; 3) the mountain peak was ____ (cleave) in two by the earthquake
1) sodden
2) shorn
3) cloven or cleft
Provide the exact Past Simple forms enforcing strict historical transitive and semantic splits: '1) The gale ____ (rend) the vessel's sails to threads; 2) the champion ____ (smite) the anvil with his hammer; 3) the king ____ (bid) his army prepare for battle.
1) rent
2) smote
3) bade