So suddenly ________that the animals in the zoo looked very frightened during the total solar eclipse (日全食)．

Both the children ______ good at maths.

My dictionary__________I have looked for it everywhere but still

He is always late for work, and yet nothing is ever said to him. I don’t know how he___________ it.

all the texts that are written, stored and sentelectronically, a lot of them are still ending up on paper.