非谓语动词
【2015福建福州】32 . —So bea utiful flowers! I can’t decide _____ for my mom.
—For Mother’s Day, it can’t be better to take some carnations（康乃馨).
A. when to choose B. which to choose C. how to choose
32. B
【2015四川自贡】30. I really don’t know _______ this question. It is too hard.
A. which to answer B. how to answer C. what to answer
30. B
【2015四川宜宾】29. Look! There are some birds _______ in the sky. They are very beautiful.
A. to fly B. fly C. flying D. flown
29. C
【2015四川广安】27. —It’s difficult for me _______ the homework in such a short time.
—Come on! I’m sure you can.
A. finished B. to finish C. will finish D. finishes
27. B
