1There are ______visitors in Hangzhou every year.

ack box is a necessary device on anairplane, which records its speed, direction and whether everything on theairplane______ normally.

Look! Tom is getting the first place. _________ fast runner he is!

I eat _____ vegetables and ______ meat than I did last year.—That’s why you’re getting fatter.

Be careful! The tiger is _______.