2 sentences

1. 高速公路两旁立着许多巨大的广告牌。

   gāo​sù gōng​lù liǎng páng lì zhe xǔ​duō jù​dà de guǎng​gào​pái.

   There are many huge billboards along both sides of the highway.

   Source: Dong Chinese Dictionary

2. 路边的广告牌太大了，完全遮挡了后方商店的招牌。

   lù​biān de guǎng​gào​pái tài dà le, wán​quán zhē​dǎng le hòu​fāng shāng​diàn de zhāo​pai.

   The roadside billboard is so large that it completely blocks the signs of the shops behind it.

   Source: Dong Chinese Dictionary