The train is running ... forty miles an hour-
Solution
Correct Answer: Option C
গতি বা speed বোঝাতে "at" preposition ব্যবহৃত হয়
সাধারণ প্যাটার্ন:
at + number + unit of speed
উদাহরণ:
- The car is moving at 60 kilometers per hour
- He types at 50 words per minute
- The wind is blowing at 30 miles per hour