--- Learning a language is not easy. It takes time.--- I can’t agree more. __________. There is no short cut.
After the meeting was over, the secretary ________ the new worker to the manager’s office.
The expert says that nowadays there are too many problems linked to poor diet and a ________of exercise.
_____ new cure for this disease that medical experts have recently developed proves to be ______ most effective, although it can not completely kill all the viruses.
— What do you think of the novel written by the well-known writer? — Sorry, no _________!
If my father ______ here yesterday, he would have stopped me from going surfing.