Question

A gap at the joint of the Railway line __(leave) in order to allow the rails to expand when heated. If an allowance is not__ (make) for expansion an accident may__( cause) . When a metal bridge is ___( build) similar gaps are provided.
{Form change}​

Answer 1

Answer:

left

made

cause

built

Explanation:

Answer 2

Answer:

leaves , made , caused , building .