Elephants are smart animals.They have good memories.They can walk for a long time and never .( )
get mad
get lost
get worried
I have a sister ________ Wangfang.
Jenny plays _______ piano, and I play _______ basketball every day.
John was born _______ June 6, 1985.
Could you please_____ the window? A. to open B. open C. opening
Are you good at ______? A. swim B. swimming C. to swim