Your help is _____ for the success of the project.

s I would love ______ to the party yesterday, I didn’t because I had to prepare for the interview.

Tom _______ go to Jenney’s birthday party because he argued (争吵) with her days ago.

Some advertisements，like the environmental protection advertisement ______ to our conscience or our desire to be worthy citizens.

Lucy，could you help me ______ the heavy box to my room—-Sure, a piece of cake.