----The number of the tigers is getting __________. ---- I agree _______ you.
A. more and more , to B. smaller and smaller, to
C. smaller and smaller, with D. more and more ,with
The reserve is an important ______ area for the rare red-crowned cranes.
A. live B. alive C. living D. life
You should speak as loudly as you can _____everyone hear you clearly
A. to let B. let C. letting D. lets
I think ____necessary for us _____the birds.
A. it , protect
B. its, to protect
C. it’s , protecting
D. it , to protect
_____ good time we had in the park yesterday!
A. How B. What C. What a D. How a
The film star is very funny. He always makes us__________ in his movies.
A. laugh B. laughs C. laughing D. to laugh
