ইংরেজি ২য় পত্র প্রশ্ন

Complete the sentences using suitable clauses/phrases:

3.1.

I could not recognise you at first. It was many years since we —.

3.2.

Water is polluted in different ways. It is high time we —.

3.3.

I think you are not regular in studies. Be attentive lest —.

3.4.

Birds fly in the sky freely. Had I the wings of a bird —.

3.5.

There are many obstacles in our way to success. We must work hard so that —.