Many people are still in_______ habit of writing silly things in_______ public places.

_____ English classes do you have every week?—Five.[ ]

You should learn English by using it.—What ____useful advice! Thank you very much.

Please ____ the lions. It’s dangerous to take photos with them.

. A: Whose shirt is this? Is it Tom’s? B: No, it isn’t. ______________ is white.