我们总是得穿校服并保持教室安静.We always have to (wear) school uniforms and ()()in the classroom.

我们总是得穿校服并保持教室安静.We always have to (wear) school uniforms and ()()in the classroom.
我们总是得穿校服并保持教室安静.We always have to (wear) school uniforms and ()()in the classroom.

我们总是得穿校服并保持教室安静.We always have to (wear) school uniforms and ()()in the classroom.
依次填：
wear keep quiet
We always have to【wear】school uniforms and【keep quiet】in the classroom.
句型have to do sth：不得不做某事 keep quiet：保持安静

keep quiet
放心采纳~~

keep quiet/silence