If anyone wants to say something in class, you ________ put up your hands first.

Is Jack on duty today? — It ________ be him. It’s his turn tomorrow.

city our hometown is!There are many trees ___________ of the road! — Yes, and ____________ of the trees isgrowing larger and larger.

The koala is _________animal. It’s _________cute.

I missed the last bus, so I _____ go home on foot.