So far we have done a lot to build a low-carbon economy, but it is__ idealWe have to work still harder.[ ]

100℃ is the temperature ___ which water will boil[ ]

Bad luck! It’s too late.-It doesn’t matter. The movie _______ for only a few minutes. You can’t miss it.

Without sleeves, the scars on his arms were clearly ____________. We all pretended I couldn’t see them.

I still haven’t found my pet dog. —I’m sorry to hear that. You______ be very sad.