Jack is a great talker.   It’s high time that he              something instead of just talking.

 --- Where are the students ? How could they keep us waiting for so long? --- They started an hour ago and they____ be here in fifteen minutes, I think.

Mike is often absent from class.” “Tell him he _________ answer for it if he goes on behaving like that.”

---- Is it good to look up every new word when I come across it in reading?---- No. You ________,  because you are likely to guess the meaning from the context.

We _____ last night,but we went to appreciate the flowerbeds and streetlights in Tian’anmen Square instead.