_____ will be less pollution if we try our best to protect the environment.
| A．It | B．There | C．That | D．This |
We are not sure if it ________ tomorrow. If it________, we won’t go hiking.
| A．will rain; rains | B．will rain ; will rain |
| C．rains; rains | D．rains; will rain |
How nice you are! You always do what you can ____________ others.
| A．help | B．helping |
| C．helps | D．to help |
—I think it’s impossible for us to work out the plan in just two days. It’s too difficult.
—You’re right. We can’t be _______ careful while working on it.
| A．so | B．very | C．too | D．more |
Wearing red can make ______ easier for us to take action.
| A．that | B．it | C．this | D．/ |
Most boys ______ guns to dolls while most girls _____ have dolls than guns.
| A．would rather, prefer | B．prefer, would rather |
| C．would rather, would rather | D．prefer, prefer |