Sentence, Claus...

Which word/phrase is the subjective complement in the following statement?
The music in the newly opened diner sounds good.

Select the correct phrase from the options given to link the sentences:
Travelling by plane is expensive; _______, it causes lots of pollution.

Select the correct adjectival phrase from the option given:
The novel we were given to read by our librarian was ________. [Advanced]

Choose the correct adjectival phrase from the option given:
I'd like a jar of ________ jam, please. [Basic]

Complete the given idiomatic expression by choosing the correct alternative:
Beat around the ___ (To avoid talking about what is important)

Complete the given idiomatic expression by choosing the correct alternative:
A feather in one's _______. (An achievement that one can be proud of)

Select the correct adjectival phrase from the option given:
While I was walking in the garden, I saw a ________ butterfly. [Intermediate]

Complete the given idiomatic expression by choosing the correct alternative:
Live from hand to ___. (To have just enough money to live on and nothing extra)

Choose the best option to complete the conversation:
Eye witness: The thief _____ into thin air. He was never seen again.

Complete the given idiomatic expression:
A hard ________ to crack. (A difficult person or problem)