It is uselessbook to children. Put it into leftdrawer and never read it.

I don’t know if he _______. If he _______, I’ll tell him about it.

Whenever you have difficulties, be sure to call me.–________________.

I will go to Hong Kong Disneyland with my parents tomorrow. —________!

The building around the corner caught fire last night.The police are now ________ the matter.[ ]