The Green Corporation donated the property to the state of California, with one condition _____ the Green family would be allowed to use it when they wished. [ ]

I became a teacher in 1993I _______ for 13 years by next summer

In the past few years, My Heart Will Go On was a popular song among young people, _____were often heard singing it at parties．

I’m sincerely inviting you to join our chess club, Mr Turban—Thanks, but I’m not ________as any of you

I know there are many people there________speak English.