The pituitary gland is a small endocrine gland at the base of the brain that releases many hormones and regulates another endocrine glands.

Ginseng has featured (1) ____ an active ingredient in oriental medical literature for over 5,000 years.

Rewrite each of the sentences without changing its meanings, using the word given.

If you want to see me, come here by six a.m.          (PROVIDED)

Give the correct tenses of the verbs in brackets. Write your answer in the box.

If he ____ (1. not drink) too much last night, he ____ (2. not - be) tired now.

A new term is rapidly gaining recognition in the American language - a 'leaf peeper' is someone who, in autumn, is on the ____ (1. LOOK) for areas where the leaves of deciduous trees have changed colour.