–Which color do you like ______, blue or green? –Blue. 

They want to make more cars with ______ workers and ______ money. I think it’s impossible.

 The weather in Beijing in summer is ___than that in Shanghai. They are different.

—We're doing a lot to protect our environment, but it is not good enough. —So we should try______ to look after it.

—Yummy! The coffee is good. --That’s right .It will taste ________with some milk.