Food safety is ________ important, so the government spares no efforts to prevent food pollution.

There are forty five students in our class, and they are _____ interested in football.

—What time do we have to be at the gate of the museum?  —______ the visitors begin to check in.

Although modem organic food has become very popular, many people can' t figure out the difference between organic foods and ______ grown foods．

The patient’s progress was encouraging as he could ______ get out of bed without help.