He recommended that she ______and see the film.

To be frankly speaking, it is thoroughly _____to sit on the sofa and watch some entertaining TV programmes after a hard day’s work. [ ]

It was on the farm _____he spent his childhood _____he learned how to grow vegetables.

You know，Bob is a little slow ________understanding.—So I have to be patient________him

Some plants are so difficult to grow that they can only ______ in a perfectly clean environment.