39. How often ________ she go to the library?
A. is
B. does
C. do
D. are
40. It's cool in the _________.
A. spring
B. summer
C. fall
D. winter
41. What ________ do you want? – Green.
A. size
B. shirt
C. kind
D. color
42. How long are they going to stay there? _____ a week.
A. for
B. at
C. in
D. on
43. I sometimes fly _____ kites in the summer.
A. he
B. his
C. their
D. my
44. He usually goes ______ in the winter.
A. to jog
B. jogging
C. joging
D. jogs