Eating regular meals is ______ important for health.

单项选择题In the National Zoo we can find ()animals that range from large beasts to small birds.

A. a species of
B. a group of
C. a variety of
D. an amount of

单项选择题He should () be allowed to get up until he has completely recovered from his illness.

A. in case
B. in any case
C. in that case
D. in no case