mised that he ______ us in the party, but he hasn’t turned up until now.

They _________ on the program for almost one week before I joined them, and now we are still working on it as no good results have come out so far

(2009福州市高中毕业班第一次单科质量检查) We were very busy yesterday. Otherwise we _____part in the discussion.

It was Tom and his friends that________for the serious accidents.

What _______ the number of the students in your school—About two thousand. A number of them _______ from the countryside.