Last summer.I ______to a lake with my mother.
A. go B. went C. goes
She ______ going to teach English next week.
A. is B. does C. are
Jenny is ______in the swimming pool now.
A. swim B. swims C. swimming
In ______, the trees lose their leaves.
A. spring B. fall C. summer
Sixty minutes make _______hours.
A. a B. an C. the