—What are you doing?
—____________.
A. I'm read a book
B. I'm fine
C. I'm reading a book
My mom is taking pictures ____________ the beautiful flowers.
A. for
B. to
C. of
选择正确的选项，补全单词
pr __ __ tice
A. ac
B. aa
C. oc
Leaves change ____________ fall.
A. in
B. at
C. on
Can yellow leaves ____________ food?
A. makes
B. makeing
C. make