—Who are they? (   )
— _________ my grandparents.

A．they

B．they are

C．They’re

—Is this your grandpa? (   )
— Yes, ________ is.

A．he

B．this

C．it

—Why is she wearing these clothes? (   )
—Because she ________ a dancer then.

A．is

B．was

C．were

根据提示写出单词的正确形式。
【小题1】Mike_______________(learn) Chinese three years ago.
【小题2】This man is an English teacher. He ______________(teach) us English last year.
【小题3】— What did you write?
— I______________ (write) a story about dogs.
【小题4】My grandma was a dancer. She______________(dance) in lots of Chinese cities.
【小题5】Amy didn’t ______________(make) a cake yesterday.

根据图片提示，选择合适的内容，补全句子或对话。
studied    grandparents watching dancer clothes
【小题1】A: Who are they?
B: They are my ____________.
【小题2】Yesterday he _____________.  Now he is _______ TV.
【小题3】She was a _________ ten years ago.
【小题4】Why are they wearing these ___________?