Question

Fill in the gaps with the, a, or –. Underline the correct word. __ Scientists do __ lot of __ research in order to find __ cues for various diseases. __ lot of money is/are spent on ___ equipment every year, but ___ information collected is/are invaluable.

Answer 1

A,a,-,a
a,is,-,-,are

Вроде должно быть правильно.

Answer 2

Scientists do a lot of research in order to find cues for various diseases. A lot of money is spent on equipment every year, but the information collected is invaluable.