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【題目】We’ll make the final decision on our scheme. ______ you change your mind, please inform us as soon as possible.

【題目】When does the conversation take place?

【題目】Animal’s ability to act reasonably in its environment is believed to come partly from ______ we may call “genetic learning”.

【題目】______ with the evidence, he had no choice but to admit his crime.

【題目】The instant he finished his description, I knew it would be years ______ everything got right.

【題目】How will the speakers go to the bookstore?

【題目】The weather may not be fine tomorrow, in ______ case we’ll have to put the trip off.

【題目】Where does the conversation take place?

【題目】This kind of glasses manufactured by experienced craftsmen ______ comfortably.

【題目】______abroad for a tour can be a worthwhile experience to a senior high student.