It sounds like something is wrong with the car’s engine.________，we’d better take it to the garage immediately.(2011·江苏，33)

Putting in a new window will ______ cutting away part of the roof.

一Let’s start to make dinner!一Mom , it’s best to read the instructions using the new microwave oven.

We firmly believe that war never settles anything. It only ____ violence.

The project is based on an agreement, one of ________ purposes is to ensure that the project can be accomplished before the deadline.