The robot needs _______ once a month. And we will check it for you for free.
There are________bears on the earth because they have________space on it.
(江西)There will be________jobs for people because some robots will do the same jobs as people.
Lisa is one of________girls in our class.
This question is as________as that one.I can answer it easily.
—________is the river? —It’s about 5 meters in depth.