1．I earn 10 dollars ________hour as ________supermarket cashier on Saturday.
A．an；the B．the；a C．an；a D．a；an
2．You did not perform as well as the other competitors—________，you failed.
A．in other words B．after all C．in the end D．at the same time
3．It ________ me that she just expects us to help，but I have so many things to do today.
A．annoys B．surprises C．excites D．delights
