Look. The dog is coming_____the little boy. [ ]

____________ Jill ______________ on the phone again?—Yes. He often _____________ on the phone for an hour.

Please ___ the computer with a piece of cloth , or it will get dirty

______ people have become masters of their country ____ science can really serve the people.

_____________have you been away from your hometown,Janet? —since 5 years ago. [ ]