1. Upon hatching, ________.

2. Some of the rainwater from clouds evaporates before ________.

3. The truck ________ crashed into the back of a bus scattering glass everywhere.

4. ________ is entirely up to him.

5. ________ he would have come to class.

6. All of the people at the AAME conference are ________.

7. At an experimental agricultural station, many types of grass are grown ________ various conditions.

8. ________ techniques have been developed in recent years to diagnose (genetic diseases in the developing fetus.

9. With new technology, cameras can take pictures of underwater valleys ________ color.

10. _______ are prepared from flour or meal derived from some form of grain.

11. ________ a sizable geographic area, it constitutes a biome.

12. Modern blimps like the famous Goodyear blimps ________ the first ones in that they are filled with helium instead of hydrogen.

13. Although the Ojibwa Indians fought frequently with the Sioux, they didn’t have ________ with early white settlers.

14. In a hot, sunny climate, man acclimatizes by eating less, drinking more liquids, wearing lighter clothing, and ________.

15. Some forms of mollusks are extremely useful as food, especially the bivalves ________ oysters, clams, and scallops.

16. It is now believed that some damage to tissues may result ________ them to frequent X-rays.

17. Rhododendrons would rather ________ in shady places, and so would azaleas.

18. Recently, there have been several outbreaks of disease like legionnaire’s syndrome, and doctors don’t know ________.

19. American author John Updike, ________ spent his boyhood in Shillington, Pennsylvania.

20. He entered a university________.