Plans have been proposed ______ the largest dam in the world to be built along the Congo river.
The careless driver is _______ for the traffic accident_______ yesterday.
That tests can actually give measurement of the language skills of the students_______ by many teachers.
--- Isn’t it Ann’s husband over there?---- No, it ______ be him---I’m sure he doesn’t wear glasses.
_______ she is, she has not much inside.
He hadn’t seen his mother for a long time, so when he saw his mother he _____ crying.