---- Is there a vaccine _____ pig influenza?, I’m anxious to know. ----- Don’t worry, there is a vaccine _____ for pigs against pig influenza
As the light turned green, I stood for a moment, not , and asked myself what I was going to do.
We all know that,, the situation will get worse.
John received an invitation to dinner, and with his work , he gladly accepted it.
several time, the young scientist still kept on making his experiments.
--- Lucy doesn’t seem to be what she was. --- No.so much in the war has made her more thoughtful.