34. This is____ a difficult problem ____ all of us can't work it out.
_______ one old lady, the bus was empty.
They promise that the work would all be finished _______ next week.
_______ cooking, writing and running the farm, she was very busy.
The size of the audience,____ we had expected, was well over twenty thousand.
_______ going to French evening classes twice a week she does yoga on Wednesdays.