VOCABULARY AND GRAMMAR gk2

1. The old astronomer patiently made his ____ and wrote down what he saw.

• A. observation

• B. observatory

• C. observe

• D. observer

2. One of the popular ____ used in smartphones at present is voice recognition

• A. applicant

• B. applicable

• C. applications

• D. apply

3. If there are aliens out there, do you think they are much more ____ advanced than we are?

• A. technological

• B. technologically

• C. technology

• D. technologies

4. ____ have announced that a major breakthrough has been made

• A. Research

• B. Researchers

• C. Researches

• D. Researching

5. Scientists are trying to ____ out the ways to reduce pollution from aircraft.

• A. break

• B. call

• C. turn

• D. work

6. I'll ____ you ____ to our research department. Please hold on.

• A. put - away

• B. put - out     

• C. put - through

• D. put - up

7. No wonder the vacuum cleaner isn't working. You haven't ____ it ____.

• A. brought - in

• B. given - in

• C. plugged - in

• D. pulled - in

8. Whoever ____ up with that idea should have won the Nobel Prize.

• A. came

• B. caught

• C. kept

• D. put

9. Ten million text messages are sent on ____ every minute.

• A. account

• B. average

• C. common

• D. general

10. Astronomers have ____ a new planet outside our galaxy.

• A. invented

• B. unearthed

• C. developed

• D. discovered