Mark the letter A, B, C or D to indicate the underlined part that needs correction.

 Nobody knows how to fix this complicated system, don't they?

There can't be many people (32) _________ are unaware of e-mail, even if they have never actually sent one.

According to the passage, the fastest way of travelling is __________.

Which of the following could be the best title of the passage?

 Ta Dung Lake, __________ is located in Dak Nong province, is likened to "Ha Long Bay" in the    Central Highland.

Mark the letter A, B, C or D to indicate the sentence that is closest in meaning to the original one.

She wants to ride her father's motorbike, but she is too young.

Peter is rather short. He wishes he __________ taller to become a pilot.

During his visit to Dak Nong UNESCO Global Geopark, Elmer _________ many photos.