Each of the students in the computer class(A)/ have to type(B)/ their own research paper this semester.(C)/ No error(D)

• A
• B
• C
• D
Correct Option: B  [ B ]

Remark: 'has to type' instead of 'have to type'

How long (A)/ you have been (B)/ in this city. (C)/ No error (D) (find error)

• A
• B
• C
• D
Correct Option: B  [ you have been ]

Remark: "How long have you been in this city?"

the auxiliary verb ("have" in this case) should come before the subject ("you") to form a question in the present perfect tense.

His sister has passed (a)/ high school examination (b)/ last year. (c) No error. (d)

• a
• b
• c
• d
Correct Option: A  [ a ]

Remark: Delete 'has'

We _________ lunch when you telephoned.

• was having
• were having
• had
• are having
Correct Option: B  [ were having ]

Remark: "were having" indicates Past Continuous Tense.

Had they not helped (A) / him with money (B) / he would not have attained this position (C) / No error (D). (find error)

• A
• B
• C
• D
Correct Option: D  [ No error ]

Remark:

Find the Incorrect (Wrong) sentence.

A) five times ten is fifty.
B) One of my friends is leaving for Japan.
C) Neither you or I are to be blamed.
D) none of these.

• five times ten is fifty.
• One of my friends is leaving for Japan.
• Neither you or I are to be blamed.
• none of these
Correct Option: C  [ Neither you or I are to be blamed. ]

Remark: Neither you or I is to be blamed.
Rule: two subjects connected by or/nor, either/or, or neither/nor, the verb must agree with the second subject (the subject closer to the verb).

Adults suffering chicken pox(A)/ can develop(B)/ all kinds of complications.(C)/ No error(D)

• A
• B
• C
• D
Correct Option: A  [ A ]

Remark: Use Adults suffering from chicken pox

One of my desires(A)/ are to become(B)/ a doctor.(C)/ No error(D)

• A
• B
• C
• D
Correct Option: B  [ B ]

Remark: Use ' is to become'

I saw (A)/ a bad dream (B)/ last night (C)/ No error (D) (Find error)

• A
• B
• C
• D
Correct Option: A  [ I saw ]

Remark: "I had a bad dream last night."

No sooner had the hockey match started(A)/ when it began(B)/ to rain.(C)/ No error(D)

• A
• B
• C
• D
Correct Option: B  [ B ]

Remark: 'than it began' instead of 'when it began'