Alternative answers 2

0 Dear teachers, 02br
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00Here is another series of alternative answers. Are they grammatically correct ? 02br
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01b00III/02b00 One afternoon Chris and I went up the valley to the gold workings to search out wood for the boat he was planning. A century BEFORE (“before” here is an adverb or a preposition ?), the upper valley 01b001)02b00 a) HAD BEEN / 01b00b)02b00 WAS well populated with men looking for gold and above the stream bed we came upon a collection of derelict huts and their complicated arrangement of wooden parapets and sluices. 02br
00We worked on a sluice run until we 01b002) a)02b00 COULD FREE / 01b00b)02b00 WERE ABLE TO FREE (may be not “BE ABLE TO” since they could do it with EASE ?) its boards with ease, digging to loosen the framework from the earth. Then Chris stopped and stood up, he held in his hand a long tapered bone from which he shook the remaining traces of soil. “What's this ?” Leaning forward, he pointed the bone 01b003) a)02b00 AT / b) TO my chest; he 01b004) a)02b00 WAS FROWNING / 01b00b)02b00 FROWNED heavily. “You 01b005) a)02b00 ARE CONDEMNED / 01b00b)02b00 WILL BE CONDEMNED to take this boat we build and sail in her to the west for all eternity,” he said, and I said, “Don't joke, what kind of animal is it anyway ?” 02br
00We scraped at the earth at the base of the frame and came upon other bones, they 01b006) a)02b00 WERE LAID OUT / 01b00b)02b00 WERE LAYING OUT / 01b00c)02b00 HAD BEEN LAYING OUT (?) in a pattern that twisted in under the frame posts, and after a while Chris said, “I think it's a man. Maybe the miners 01b007) a)02b00 BURIED / 01b00b)02b00 HAD BURIED people alive under their buildings for luck, like the Melanesians.” But the skeleton was too large to be human, the bones of the legs were exceptionally long and AS (= subordinating conjunction ?) we uncovered more of it, we could see that the creature had a thin, curved neck like a swan, but much longer and more powerful. Then I said, “It's a moa.” We both stopped digging and sat back from the skeleton. “We shouldn't move it,” I said and Chris said, “But who is there to show it to ?” We sat and looked at the bones for a while, a little afraid aware that the great bird had remained undisturbed for a thousand years. Then Chris said that we 8) a) SHOULD COLLECT / b) OUGHT TO COLLECT the bones and take them to the house where we 01b009) a)02b00 COULD PIECE / b) WOULD BE ABLE TO PIECE the skeleton together again, it would be safer there though safer 01b0010) a)02b00 AGAINST / 01b00b)02b00 THAN (?) what he 01b0011) a)02b00 DID NOT SAY / 01b00b)02b00 WOULD NOT SAY. 02br
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00A thousand thanks, 02br
00Hela 0-