Praying mantises _________to attack another insect; some will wait for 24 hours.

Ants can ________; 0,08 meters per second.

Snails move very ________; 0,01 meters per second.

Mosquitoes can beat their wings very _______; 600 times per second.

Cicadas can ________; you can hear them from a distance of 800 meters.

You have to walk __________.

Everybody learns ________.

The teacher always says "_______ done"!

Of all runners he’s the best. He runs so very ___________.

Mike studies_________ for every test. His parents are very proud of him.

Every time he gets a good mark his parents smile so __________.