When his dad died, he felt ________his whole world was hopeless .
Nothing is serious with my throat , _____ ?
One and ___ hours ____ all I can spare for you tomorrow .
. Early to bed and early to rise _____ a man healthy , wealthy and wise .
Because I’ll be very busy this weekend , I’m afraid I had to ____ to take part in the party
What ______ public is concerned about is whether medical workers and scientists will be able to find _____ cure for this new disease in a short time .