The number of wild animals ___ getting smaller and smaller.

Look! They _______________ a picnic.

Ladies and gentlemen, please turn off yourmobile phones. The plane will _________ soon.

ggest whale is _____ blue whale, which grows tobe about 29 meters long—the height of ____ 9-story building

Whose shirt is this — It _______ be Li Lei’s. It is too big for him.