This isn’t football．Tom，you left at school．

The contract is very important for both of you, so studying it________before signing is necessary.[ ]

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

I am________your suggestion________we should spend more time on this project.[ ]

The position, however, ________ you are applying, is not quite a well­paid one.