-How did you find those days.-The days________we spent together on the farm are not easy________.
________I’m concerned, we are going to take an exam in a month.
--Thank you for your help. -- _________.
He put forward a good idea ________ gave us hope.
Rather than ____on a crowded bus, he always prefers _____a bike.
All of the students were_______ by the ________ speech given by the headmaster.