There are many alternative words. Try spoke or stated. There is also mentioned.
Alternative words (synonyms) for leakage:drainageseepageoozingleechingescape, leak, outflow, drip, trickle
If the teacher asks for alternative words for a given word or words then he's asking for some synonyms or other words that mean the same as the ones you have.
Some alternative words for disburse are the following: distribute, divvy, dole out, foot the bill, pay out, shell out. The definition of disburse means to spend money.
The definition of loved is held in passionate affection. Some alternative words for loved vary depending on the context but include hugged, desired, embraced, liked, adored, and cherished.
Some alternative words for strong are forceful, robust, strapping, and mighty.
Some words with the root word "alter" include alteration, alternate, and alternative.
Alternative words for unsubstantiated include: debatable; unproven; uncertain; disputable; arguable; controversial. It means that something is uncorroborated and supported by a lack of evidence.
Some alternative words to use instead of "he" include: they, it, the person, the individual, one.
Well, Jason Mraz has some very nice alternative songs if you're looking for something sweet, such as 'I'm Yours', and 'I Won't Give Up'. The Cab also has some very sweet alternative rock songs.
amass, accrue, agglomerate, aggregate, attain . . .
There is not a single word that is an alternative word to never. However, there are combinations of words which mean basically the same thing. Some include not ever or at no time.