Theboycomplained_______apaininhisstomach.

Thosefamiliarwitheveningdresswillalways______blackwithelegance.

There______nothingmorefordiscussion,themeetingendedearlierthanexpected.

Whenyoufallinloveforthefirsttime,it’ssurprising______inconveniencesyoucanputupwith.

咽结合膜热的病原体是()，疱疹性咽峡炎是由()感染引起。