Not "Lunch here is as good than dinner." — say "Lunch here is as good as dinner.". 両側に as を置きます:as good as。
やってみよう: Wei: Is the red pan bigger than the blue one? Maya: No, it's ___ the blue one. They're the same size. Maya のせりふを選んでください。 (as big as / bigger than / not as big as) 答え: as big as — 2つのフライパンは同じ大きさなので、赤いほうは青いほうと同じくらい大きいです:as big as。
〜ほどではない:not as big as
not as … as は「〜ほどではない」という意味です。This street isn't as busy as Market Street なら、Market Street のほうがにぎやかです。
This street isn't as busy as Market Street.
The small room isn't as warm as the big one.
やってみよう: Maya: Is the new store cheaper than Mosh Market? Wei: No. It's ___ Mosh Market. Everything is a dollar more. Wei のせりふを選んでください。 (cheaper than / not as cheap as / as cheap as) 答え: not as cheap as — 新しいお店は何でも1ドル高いので、Mosh Market ほど安くありません:not as cheap as。