मुहम्मद बिन कासिम ने भारत पर आक्रमण कब किया?

भारतीय सेना ने पुंछ लिंक-अप दिवस किस तारीख को मनाया?

Identify the segment in the sentence which contains the grammatical error.

Two American cities, witnessed shooting and resulting in mass fatalities over the weekend.

In these questions read each sentence to find out whether there is any error in it. If there is no error, the answer is (D).

All the students/is done/better this year.

In the question a sentence has been given in Direct/Indirect. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct and mark your answer in the Answer Sheet.

Shanker said to his friend, "Look out! there is a snake behind you. 

Directions: In the question given below, a part of the sentence is highlighted. Below are given alternatives to the highlighted part at (A), (B) and (C) which may improve the sentence. Choose the correct alternative. In case no improvement is needed your answer is (D).
Whenever the two sisters go out for shopping, they take their pet dog with them.