Has Linda finished her homework—Sorry, I don’t know. I just saw that she _____ it yesterday afternoon.

___ help, one says "Thankyou" while when _____ help, one asks "Can I help you"

Could you tell me ________________ —Next Sunday.

The government will begin a series of_____ to help thepublic fully understand the new educational system

After the Asian Games, _________ people Guangzhou for a visit during holidays.