Lucy from the USA—No, she from the USA. She comes from the UK.

I think what ______ me about his paintingsis the colors he uses.

o you choose to work in an international travel agency– Well, you know, English is my _______. So it is my best choice.

It took several hundred years ______ paper-making spread to western countries

－Let’s go for a swim on Saturday, Jack. －Oh, ______ I have to work on a science report.