2008 is a special number, ________ I suppose, that will be remembered by the Chinese forever.
They haven’t arrived yet but we _____ them at any moment.
____ has helped to save the drowning girl is worth praising.
I feel sure I _____ her before somewhere.
I had neither a raincoat nor an umbrella. _______ I got wet through.
You’ll never guess who I met today — my old teacher! We _____ for 20 years.