Correct the given sentence gramatically.

Shreya, who she is my best friend, is a singer.

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.
Being a _____ doctor, he never shirks work.

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No error'.
I finished my household chores (1)/ before he reached (2)/ to my place after so long. (3)/ No Error (4)

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No error'.
I was taken with surprise (1)/ when I saw (2)/ the beautiful Taj Mahal. (3)/ No Error (4)

Read each sentence to find out whether there is any error in any part

That Brutus, who was his trusted friend(a) had attacked on him(b) caused heartbreak to Julius Caesar(c). No error.(d)

Read each sentence to find out whether there is any error in any part

For young Donald(a), peace in Vietnam(b) was almost terrible as war(c). No error.(d)

Read each sentence to find out whether there is any error in any part

The boy’s parents(a) pleaded with the Principal(b) that they were too poor to pay(c) his tuition fee. No error.(d)

Read each sentence to find out whether there is any error in any part

As I was leaving for Delhi(a), he asked me whether(b) I could buy a tape recorder for him(c). No error.(d)

Read each sentence to find out whether there is any error in any part

Mr. Joshi was, however, sure(a) that the idea would never work(b) in practice(c). No error.(d)