Use of English: Affixes (prefixes & suffixes) Fill in the correct form of the words in bold using the appropriate affix. 1. Some of my classmates assignment on energy storage and had to do it again. Understood
2. Access to the science club is strictly prohibited to .Members
3. Experts are trying to -the life of lead batteries. Length
4. It's taking a long time to build new power lines because the construction company the is. Staffed
5. I'm currently a energy engineer, but in two years, I'll be fully qualified. Train
6. Our generation benefits from education where we can take part in the lessons, rather than just observing them. Active.

1-Has he developed a new design of this machine?
2-Will she have written the report by Monday?
3-Is she conducting the experiment?
4-I don't use computers in my work
5-He was doing the calculations when the professor came.
6-Will you test your construction next week?
7-Had she left the laboratory before the work was finished?
8-Is your theory based on careful observations?
9-Should you start your work at laboratory in the morning?
10-We cant control this research without a computer.
11-Didnt we solve the problem two days ago? Или We didn't solve the problem two days ago. (Смотря если вопрос или отрицательное предложение)
12- She doesn't apply new methods of calculations.

1-Has he developed a new design of this machine?
2-Will she have written the report by Monday?
3-Is she conducting the experiment?
4-I don't use computers in my work
5-He was doing the calculations when the professor came.
6-Will you test your construction next week?
7-Had she left the laboratory before the work was finished?
8-Is your theory based on careful observations?
9-Should you start your work at laboratory in the morning?
10-We cant control this research without a computer.
11-Didnt we solve the problem two days ago? Или We didn't solve the problem two days ago. (Смотря если вопрос или отрицательное предложение)
12- She doesn't apply new methods of calculations.