Question

4. Write the correct alternative to fill the blanks:
1/2 x4=2
A gap at the joint of the Railway line
(leaving / has left / is left) in order to
(allowed/allow / is allowed) the rails to
(expanding / expand / expands) when
(heating/ has heated / heated).​

Answer 1

Answer:

A gap at the joint of railway line has left in order to allow the rails to expand when heated

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