• A. Students who fail to get good grade in exams cannot be researcher
• B. Researchers sometimes get good grades in exams
• C. Failing to get good grades in exams does not necessary mean that a person cannot be a researcher
• D. Good students always get good grades in exams

Answer: Option A

Explanation:

• A. Water and Sewerage Authority
• B. Water Supply and Sewerage Authority
• C. Dhaka Water Supply and Sewerage Authority
• D. None

Answer: Option C

Explanation:

• A. Heroism
• B. Heroic
• C. Hereine
• D. Hero

Answer: Option A

Explanation:

• A. The peon opened the gate.
• B. The peon had opened the gate.
• C. The peon has opened the gate.
• D. The peon opens the gate.

Answer: Option A

Explanation:

• A. We knew that she things
• B. We have know about her thinking
• C. We knew that she is thinking
• D. We know what she things

Answer: Option A

Explanation:

• A. claritable
• B. clarifiable
• C. clarification
• D. clear

Answer: Option D

Explanation:

• A. questionnaire
• B. questionable
• C. query
• D. questioning

Answer: Option B

Explanation:

• A. Stary
• B. Starry
• C. Asterisk
• D. Starful

Answer: Option B

Explanation:

• A. Literal
• B. Literate
• C. Literary
• D. Literatural

Answer: Option C

Explanation:

• A. Leadership
• B. Lead
• C. Leaderly
• D. Leading

Answer: Option D

Explanation:

• A. home-like
• B. homeful
• C. homely
• D. homage

Answer: Option C

Explanation:

• A. adolescent
• B. adoloscent
• C. adolescentive
• D. adalescive

Answer: Option A

Explanation:

• A. Obliato
• B. Obligation
• C. Obligatory
• D. Obligate

Answer: Option C

Explanation:

• A. populous
• B. popularity
• C. popular
• D. popularize

Answer: Option A

Explanation:

• A. saline
• B. marine
• C. seasonal
• D. naval

Answer: Option B

Explanation: