______ you help me mend the radio? —Yes, I can.

They should win the matchtheir teamwork. [ ]

Do you like your maths teacher? —Sure, because he is the teacher ___ helps me a lot.

Please be ________ .There’s an important meeting in the next room.

It was only in K. Rowling completed the first Harry Potter story, _______ was also known as Harry Potter and the Sorcerer’s Stone.