—How many students are there in the classroom?—_________. They are all in the lab.

My mother asked me to show my homework to her.My mother said to me “Show      homework. ”

—When can we come to visit you?—Anytime you feel like                .

Although Rosemary had suffered from a serious illness for years, she lost______ of her enthusiasm for life. 

—It is said that Jack is very rich and is always changing his private cars.What is he?—      ,I am not sure.