16. ---There are very few pandas living in ____ wild now.
--- That’s true. Most pandas are living in _____ zoos.
A. the; the B. the ; \ C. \;the D. \;\
17. My sister want to work in the power station which _____ still _____.
A. is; building B. has; been built C. is; being built D. is; to be built
18. Recently I bought an old Japanese car, _____ was very reasonable..
A. which price B. the price of which C. its price D. the price of whose
