Choose the best answer.

It is an unknown object in the sky. Nobody knows about it. It is _______.

Choose the correct answer.

I’m afraid I _______ able to come tomorrow.

Choose ONE mistake in the sentence.

Choose the correct answer.

A: “I’m driving to the party, would you like a lift?”

B: “Okay, I _______ the bus, I’ll come with you.”

Choose the correct answer.

Because of the train strike, the meeting _______ place at 9 o’clock.

Choose the correct answer.

Are there _______ megacities in your country?

Choose ONE mistake in the sentence.

I might have not time to go shopping, so I will order it online with the delivery service.

Choose ONE mistake in the sentence.

She mights live in that smart home, but I’m not sure. Call her to confirm.