প্রকৃতিতে সবচেয়ে শক্ত পদার্থ কোনটি?

কোনো বস্তুর ওজন কোথায় সবচেয়ে বেশি?

Complete the sentence—– Trees have —– off their leaves.

Choose the appropriate meaning of the idiom ‘swan song’.

Identify the correct passive form —- Open the window.

Choose the right preposition for the sentence. I count — your help.

Choose the right preposition for the sentence. She argued — me about the marriage.

Choose the correct sentence.

I spent —— with the patient.

We waited until the plane—-