Is Steven still in Hainan for his winter vacation—No, he_____ Hainan three times, he won’t go there again.

I t doesn’t take long tobecome to these drugs.

Shedown beside me and soon got into sleep

The first African-American president of the United States received a (n) ____ welcome in the

To live on Mars, you need to wear boots which ________ to prevent you from floating off into space.