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taller tallest excellent more excellent
as good a singer as as better a singer as as a singer good as as a good singer as
so an excellent singer a such excellent singer such an excellent singer a so excellent singer
until，that not until，that not until，when when，then
nothing something anything everything
for;as as;to as;for for;to
sing to sing singing sings
until，that not until，that not until，when when，then
well；good good；good well；well good；well
anything something nothing everything
active excellent famous attractive
Whenever However Which While
the famous singer had got; when the famous singer got; then had the famous singer got; when did the famous singer get; then
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