When you reach our company at 5:00 pm, I _______ there to discuss a problem with you.
So difficult ________ it to live in an English-speaking country that I was determined to learn English well.
Only those who follow their dreams ____ achieve the final success.
We’d better take umbrellas—I’m sure it _____ when we arrive in London; it’s always wet there at this time of year.
I ____ to go for a walk, but someone called and I couldn’t get away.
___ help the people in the snowstorm in the south made him worried.