I think our boat can pass the treacherous water ______ cautiously handled

’t stand my wife spending so much time shoppingYesterday, she bought a new dress which she actually doesn’t need at all—Don’t be angry ,almost all women like shopping for new clothes

下列各句中，表达得体的一句是

The limits of a person’s intelligence, generally speaking, are fixed at birth, but ________ he reaches theselimits will depend on his environment[ ]

21It is hard to make a living nowadays and since we are slightly _______, the amount of your weekly pocket money has to ______