He                 (invite) me to his house warming party yesterday.

(a)  

They (a)   (finish) this building by the end of  this year.

1.    The doctors (learn) (a)   French before they went to Paris.

What             ____ they _________ (do) at eight tomorrow morning

(a)  

  He is practicing the piano while his sisters (do) (a)   Maths exercises.

19.He                   (lose) his job last month and since then he (be)                  out of work

(a)  

Next week we (have) (a)   a party at home

All of us ______just _______(come) back from a meeting .

(a)  

When my father  (retire) (a)   next month, he will have been teaching for 40 years.