• A. Another big question is what exactly Alibaba's Big Data Strategy?
• B. Another big question is what exactly is Alibaba's Big Data Strategy?
• C. Another big question what exactly is Alibaba's Big Data Strategy?
• D. Another big question is what is exactly Alibaba's Big Data Strategy?

Answer: Option B

Explanation:

• A. The rich is not always happy
• B. The rich did not happy always
• C. The rich are not always happy
• D. The riches is not always happy

Answer: Option C

Explanation:

• A. I wish I was as tall as my brother
• B. I wish I was as tall as my brother was
• C. I wish I were as tall as my brother
• D. I wish I am as tall as my brother

Answer: Option C

Explanation:

• A. I don't like to discuss about politics.
• B. I don't like to discuss politics.
• C. I don't like discussing politics.
• D. I don't discussing in politics.

Answer: Option C

Explanation:

• A. Which shirt he bought is blue in colour
• B. The shirt which he bought is blue in colour
• C. That shirt which he has bought is blue in colour
• D. The shirt that which he bought is blue in colour

Answer: Option B

Explanation:

• A. Paper is made of wood
• B. Paper is made from wood
• C. Paper is made by wood
• D. Paper is made on wood

Answer: Option A

Explanation:

• A. The company had its employees work
• B. The company had its employees to work
• C. The company had its employees working
• D. The company had its employees worked

Answer: Option A

Explanation:

• A. I heard him to read
• B. I heard him reading
• C. I have heard him reading
• D. I saw him reading

Answer: Option D

Explanation:

• A. The poet and novelist are dead
• B. The poet and the novelist is dead
• C. The poet and novelist is dead
• D. The poet,the novelist and the playwrith is dead

Answer: Option C

Explanation:

• A. He disguised himself lest he be recognized
• B. He was disguised lest he should be recognized
• C. He disguised lest he be recognized
• D. He disguised himself lest he can be recognized

Answer: Option B

Explanation:

• A. I forbade him going
• B. I forbade him not to go
• C. I forbade him from going
• D. I forbade him to go

Answer: Option C

Explanation:

• A. i have looking for a good doctor before Meeting you.
• B. i have looked for a good doctor before i had k met you.
• C. i had looked for a good doctor before met you.
• D. i have looked for a good doctor before met you.

Answer: Option C

Explanation:

• A. Any of the three pen will do.
• B. Any of the three pens will do.
• C. Either of the three pen will do.
• D. Either the three pens will do.

Answer: Option B

Explanation:

• A. In the accident, a number of passengers were died.
• B. Everyone were pleased at the party.
• C. The interviewer asked a number of question.
• D. Each of the boys are suffering from corona virus.

Answer: Option A

Explanation:

• A. No news are good news
• B. No news is good news
• C. No news were good news
• D. No news have been good news

Answer: Option B

Explanation: