Fill in the blank with the suitable preposition:

He is always in a hurry. He drives ______ a tremendous speed.

at

The correct answer is Option (3) - at

• The phrase "drives at a tremendous speed" is the correct usage of the preposition, indicating the rate or level of speed.

OTHER OPTIONS

• "with" → Not commonly used in this context.
• "in" → Could suggest being inside a vehicle, but not correct for indicating speed.
• "against" → Implies opposition or resistance, which is not relevant here.