If it________ , I will go to the Central Park with my son this weekend.

We have math ________ Friday. It’s difficult ________ interesting.[ ]

Who is Amy?—The girl _____ a purple skirt is Amy.

__________ can you finish your homework, Ben?－ In thirty minutes.

We all went to the cinema except you last night. Why didn’t you come? –Because I ______ that movie twice.