nt research shows that there _____ volcanic activities on the moon and Mars. However, they no longer exist now.

When I lived with my roommates in the university, we often talk into the night

The woman, who is said to have moved to America last year, ____ in China for almost twenty years

_ we know, hurricane is _______ to come.

It worries the parents a lot that their only daughter doesn’t study hard as she ______and is not so active as she ______. [ ]