His uncle arrived while he _____the dinner.
A
would cook
B
had cooked
C
cook
D
was cooking
Correct Answer: was cooking
দুটি কাজ একই সাথে ঘটলে while ব্যবহৃত হয় । এবং বাক্যের প্রথম অংশ past indefinite থাকলে পরের অংশ past continuous tense হয়। সঠিক উত্তর - was cooking.