Finally, we decided ....... to the concert.

  The boy ( sit, sits, to sit, sitting ) next to Hoa is a newcomer.

The first hamburgers ........ by Louis Lassen in 1985.

Millions of Christmas cards ............ every year.

Jane saw her old friend while she .................. the street.

I’ve participated ............... most youth activities of my school.

I don’t think he can do it ...............

She shows people .............. the environment.

She says that ............ the environment is quite an easy job.

  It is easy to ................. the words “ reduce”, “ reuse”, and “ recycle”

  I am .............. that you want to know more about environment.

What ................... after he leaves school ?

What happened after the storms? Harvests .............

  It ............ stop raining until I arrived at school.

Milk .............. to the house by the milkman every day.

They are good friends. They .......... each other for a long time.

  How about ........ to Thai Binh market ?

  Would you mind ............ the windows ?

She cried ............ when she heard that news.

  In the areas affected by...................., there is not enough water for people’s needs.

The heavy rain has caused........................in many parts of the country.

  ..........................is a tropical storm with strong winds.

  Many young farmers moved to the .....................areas for jobs.

   We were stuck in a............................for an hour.