2 sentences

1. 许多观众抢先订购了首映式的门票。

   xǔ​duō guān​zhòng qiǎng​xiān dìng​gòu le shǒu​yìng​shì de mén​piào.

   Many viewers hurried to pre-order tickets for the premiere.

   Source: Dong Chinese Dictionary

2. 导演和主演都出席了电影的首映式。

   dǎo​yǎn hé zhǔ​yǎn dōu chū​xí le diàn​yǐng de shǒu​yìng​shì.

   Both the director and the lead actors attended the movie's premiere.

   Source: Dong Chinese Dictionary