What does WWF _____?
A. stand up B. make up
C. call for D. stand for
I bought a dress for only 10 dollars; it was a real _____.
A. exchange B. bargain C. trade D. business
A new building _____ next week.
A. will build B. will be built
C. is built D. was built
Last night I saw a film, _____ was about the wild animals.
A. which B. that C. who D. whom
What she said just now made me _____.
A. amaze B. to amaze C. amazed D. amazing
There is no doubt _____ humans should protect the environment.
A. that B. which C. what D. why
