－How is Lily in the new school?
－She is doing very well. There is ______ to worry about.
A. nothing B. something C. anything
－3-D printing could be used to build a house in less than 24 hours.
－It ______ amazing. It's my first time to get to know this.
A. sounds B. smells C. tastes
－It is necessary _____ people to have food and water every day.
A. of B. for C. with
－This camera is too expensive. Do you have any others?
－Sorry, but that's the _______ one.
A. biggest B. longest C. cheapest
－The water in the glass is sweet. Did you put any ______ in it?
－Yes. I added some to it just now.
A. sugar B. salt C. oil
－Is that _____ apple tree?
－Yes. My father planted it in 2008.
A. a B. an C. the
