Select the sentence that best joins the two sentences given below:
You must reach the clinic before nine. Otherwise the doctor will not see you today.
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → Unless you reach the clinic before nine, the doctor will not see you today.
The second sentence tells what will happen if the first is not done. Unless means if not. So “unless you reach before nine” means “if you do not reach before nine”. It joins the condition to its result.
Why the Other Options are Incorrect?
Option 1: Unless you do not reach the clinic before nine, the doctor will not see you today. — Incorrect. “Unless” already means “if not”. The extra “not” makes the sentence say the opposite.
Option 2: Although you reach the clinic before nine, the doctor will not see you today. — Incorrect. “Although” shows a contrast, but the two sentences give a condition and its result.
Option 3: If you reach the clinic before nine, the doctor will not see you today. — Incorrect. It changes the meaning. It says that coming before nine stops the doctor from seeing you.