Sam is a very good man. He always tries __________ best to help others.
are my cousins, and is my brother.
He is too tired. He doesn’t want to do_______.
Mum, ______ is my friend Peter.
–I like English best. What about _______?–He thinks science is very interesting. His favorite subject is science.
Miss Gao is our English teacher. She gives ____ a lot of help.