Don’t forget the lights when you leave.

Don’t forget      the lights when you leave.

#50822

to turn on

turn on

to turn off

turning off

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China spends about seven years ________ ready for the 2008 Olympic Games.

#50789

to get

getting

get

geting

 ---Have you heard of Earth Day? --- Yes, We have only one Earth. We have no choice but ________ it.

#49067

protect

protected

protecting

to protect

 It is time     to school.

#49964

to go

going

goes

I’m surprised _______ my old friends in the street.

#48831

see

seeing

to see

to look at

I had a little trouble              English  grammar.

#51103

learn

learned

learning

to learn

共1553题