The song reminded me of the old golden days as soon as it_______.

The field research will take Joan and Paul about five months; it will be a long time _____ we meet them again.

David has made great progress recently. —_____, and _____.

He works as an engineer now, but he _____ on a farm for three years

What’s the matter with you ?—Oh, I’m not feeling well in the stomach . I ______so much fried fish just now .