Some high officers were punished by law only becausethey were _______ what didn’t belong to them.

Our Chinese diving team won a gold medal again!—What _____ good news!

So far we have done a lot to build a low-carbon economy, yet it is still _________ idealWe have to work even harder

It is a pity that we have to ___________ the school trip because of the rainy days.

Look, your sister is playing the violin over there.— She ____________ be my sister. She has gone to America.