用括号内动词的适当形式填空。
（1）What can you do?
I can ________. （swim）  I like _________.（swim）
（2） Did you go _______（hike） yesterday?
No, I didn’t. I ______（sing） and _______（dance） with my   friends.
（3）What are you going to do this weekend?
I ____________________（climb） a mountain.
（4） How does your mother go to work?
She ______（go） to work by bike.
（5） Look! What are the boys doing?
They _________________（play） football.