In the following passage the numbered gaps indicate missing words. Against each number in the list below the passage, four choices are offered in columns lettered A to D. For each numbered gap, choose from the options provided for that number, the word that is most suitable to fill the gap.
Two months after moving into our new house, we hadn’t noticed any —41— on the building till one Sunday morning when water started —42— from a corner of the shower in our —43— bedroom. We assumed it was a simple —44— and therefore asked my nephew, an apprentice, to fix it for us. He did, but the —45— lasted for that day only. The next morning, water started dropping heavily from both the bedroom and adjoining room.
Frantically, I called the —46— who promptly came to our rescue. A thorough check revealed that two roofing —47— had been blown away causing water to collect on —48—. The water had —49— gradually through the joints until that fateful Sunday when things became worse. We therefore had to reroof that —50— of the house.