Mass deaths of birds were not unheard of, but they normally happened unnoticed at sea or in rural areas away from towns. Many birds are weak and die in winter _______ food is scarce.
— How did your students express their thanks to you on Teachers’ Day? — A gift, together with many flowers ____ sent to me by my students.
— Can you come to attend our party tonight? — Sorry, but I do wish I ____.
— What will you buy for your husband’s birthday? — I want to buy a ____ wallet for him.
— Why can’t I smoke here? — At no time ____ in the meeting room.
English is a language that many people around the world ____ not speak perfectly but ____ at least understand.