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confuse mind
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If the new airboat does what it is to be doing-travel at high speeds undeterred by sandbars, crocodile-infested mudflats, or marshy hippo haunts-it could revolutionize transport on the 2,900-mile-long Congo River.
(A) If the new airboat does what it is to be doing
(B) If the new airboat does what it is supposed to do
(C) If it does as the new airboat is supposed to do
(D) Doing what it is the new airboat is supposed to do
(E) Doing what the new airboat is to be doing
answer - [spoiler]'b'[/spoiler]
doubt -
The 2nd part of condition is in past tense, as can be seen by the presence of 'could'.So I suppose first part of the condition must also be in past tense.But all options are in past tense.Pls tell me where I'm wrong.
(A) If the new airboat does what it is to be doing
(B) If the new airboat does what it is supposed to do
(C) If it does as the new airboat is supposed to do
(D) Doing what it is the new airboat is supposed to do
(E) Doing what the new airboat is to be doing
answer - [spoiler]'b'[/spoiler]
doubt -
The 2nd part of condition is in past tense, as can be seen by the presence of 'could'.So I suppose first part of the condition must also be in past tense.But all options are in past tense.Pls tell me where I'm wrong.












