Historically, ____ Lake Victoria has been a significant waterway for trade in East Africa.

• Article:
- A, An & The কে article বলে। এরা noun কে qualify করে।
- Article দুই প্রকার। যেমন: 1. Indefinite: A, An 2. Definite: The

• Article এর নিয়মানুযায়ী,
- হ্রদের নামের পূর্বে the বসে না।
- যেমন – Lake Superior, Lake Baikal, Lake Caspian.

Complete sentence: Historically, Lake Victoria has been a significant waterway for trade in East Africa.

Source: Advanced Learner's by Chowdhury & Hossain.