Her name is Mary Green. Mary is her _______ name.
My family like to travel. Mother prefers to take a bus to travel, while father ______ to travel.
We'll never give up working on the experiment (实验), ______ difficult it is.
After class, students ______ clean the chalk off the blackboard.
The fish on the table ______. I want to eat it right now.
In this hotel, we have two rooms to live in, but we can’t decide ______.