Fill in the each gap with the most correct forms of the block word on the right.
1. He is behaving in a very _______ way. MYSTERY
2. Marry wants to _______ her knowledge of the subject. BROAD
3. His _______ to retire surprised all of the workers. DECIDE
4. Some people _______ didn't come. INVITE
5. It is _______ to turn off the lights when it is bright enough. ECONOMY
6. My _______ opinion is that the students should be doing more work outside the classroom. PERSON
7. These workers got a bonus because they did their jobs _______. EFFECT
8. From 1865 to 1875, a remarkable _______ of inventions was produced. VARIOUS
9. She received a lot of _______ from her mother. COURAGE
10. He doesn‘t agree with the _______ that there is life on other planets. BELIEVE
1 mysterious
2 broaden
3 decision
4 invited
5 economical
6 personal
7 effectively
8 variety
9 encouragement
10 belief