Man’s understanding of nature is developing ________. It never stays at the same level.

Excuse me, can you show me ______ to run the machine

You don’t like the new fashion of my hair style, doyou– _____. I like it better _____ I look at it.

The building under _____for stay-at-home children will be completed in March

I think Class One ____to win because Class One ___all football lovers.[ ]