— What __________ is Maria in now?— She is in __________ 7.A.grade;Grade B.class;grade C.Grade;Grade
-Is this your pencil? -Yes, it's _. Look, here is No. 5.
-Let's play tennis, OK?-Sorry, I must _ first.
- _ he like math?一 Because it's difficult.
The sports trousers are nice. I'll .
-I like Friday. -Me too.we can have a good time the next day.