Could you join us this afternoon—Sorry, I_______. I take care of my little sister because my mother is out.

time, sheis fine, ________ at another, she is abnormal.

I am going to travel to Jamaica. Would you considertelling me about your experiences there—_ _. Let’s discuss it over dinner.

John opened the door. There_______ he had never seenbefore.

I think maths is ________ than Chinese.