Itisobvioushowbadmovieswillimpact________children.
A、onA
impact 有時也可以當作一個動詞來用，與之搭配的介詞仍然是 on。句意：壞電影對兒童會產生什么影響是顯而易見的。
Therearemanysalesthisseason,duringwhichstoreswilllowertheir_______prices.
They built a highway _______ the mountains.
名詞解釋：offer
I would love ________ to the party last night but I had to work extra hours to finish a report.
Importswillbeallowedinproportion_______exports.
