【题目】Leonardo da Vinci ______ a scientist, if he had not been so skilled in other areas.

【题目】Emotional conflict may shake the ______ of even the strongest relationship, e.g. between husband and wife, parents and children.

【题目】----Anything special about this device?

【题目】Researchers are now conducting hibernation experiment and can use chemicals to put living cells into sleep-like state_____ they don’t age.

【题目】Do you still remember how many years ago_________ we first met on campus?

【题目】I got up early this morning，but I ________ so because I was not on duty today．

【题目】---Is Blake still absent from class？

【题目】The hunter ____ down and ____ to the farmer that he had___ his gun against the tree．

【题目】As the fact that the ambassador was killed made the situation worse, hopes of a peace settlement are now ____.