Fill in the gaps with appropriate Preposition:

There is no substitute _____ hard work.

Fill in the following blanks with appropriate prepositions:

I was alarmed......the news.

Change the following sentences as instructed:

I know him. (Complex)

Change the voice:

Whom did you recommend?

Fill in blanks

The sky is.......... us.

Translate into English .

ইকবাল একজন কবি ও দার্শনিক ছিলেন।