Experts say that walking is one of the best ways for a person to______ healthy.A．preserveB

Experts say swimming is one of the best ways for a personto _______healthy.A) deserve

Naked marriage is one of the most popular catchwords at the moment. Proponents say that a

The teacher told us that the proverb says what is food to one man may be bitter poison to_

________（47）A.Experts say that we cannot do that

________（48）A.Experts say that we cannot do that

________（49）A.Experts say that we cannot do that