Seeing the happy of lovely children playing in the park, I’m full of joy and confidence in the future of our country.

How long does it take you to get to school?一_________

What _____ we _____ if it _____ tomorrow? [ ]

Why didn’t you answer my phone call, Jack?—I’m sorry, but I ________ then.

It’s very friendly ______ him to help me when I’m in trouble. [ ]