This morning your mobile phone was always busy. I couldn’t ________ to you until several attempts.—Oh, I’m sorry. I was discussing the price of our products with a client over the phone.

You are not supposed to get off the bus________ it stops.

Who is ____ girl in the photo — She is my cousin, Lily.

If he _______ to the teacher attentively in the past year, he _______the answer to the question now.

Tom is ____ honest boy. He said he saw ______UFO the other day.