--- Is your teacher friendly ______you? --- Yes, he is very good ______us.
A. to, to B. with , with C. to, with
They have ______ their homework already.
| A．finish | B．finishes |
| C．finished | D．finishing |
—________?
—Yes, I’m looking for a pen.
| A．Can I help you | B．What are you doing |
| C．What do you want to buy | D．What do you like |
—Happy birthday to you, Mary!
—________.
| A．Thank you | B．I’m happy |
| C．Sure | D．The same to you |
_______. Where is the bakery?
| A．I’m sorry | B．Excuse me |
| C．Hello | D．Hi |
My father is busy _____ in the study.
| A．to read | B．read |
| C．reading | D．to reading |