378. Choose the correct sentence:
His brother was left before I reached there.
His brother has left before I reached there
His brother left before I reached there.
His brother had left before I reached there.
ব্যাখ্যা: Before যুক্ত দুটি clouse-এর যেটি পূর্বে ঘটেছিল সেটি past perfect আর অপরটি past indefinite tense এ হয়। সুতরাং সঠিক বাক্য His brother had left before I reached there