This math problem is too difficult. Can you show me________, George?
| A．what to work out | B．to work i t out |
| C．how to work it out | D．how to work out it |
-- How is it going with you, Helen?
-- __________!
| A．Not bad | B．Terrible | C．Just so so | D．Pretty good |
-- ________________?
-- She is of medium height.
| A．What does Jenny look like? | B．What does Jenny do? |
| C．Is Jenny of medium height? | D．What do you think of Jenny? |
--______. Is there a post office in the neighborhood?
-- It’s next to the big mall on Green Street.
| A．I’m Sorry | B．Nice to meet you | C．Excuse me | D．Hello |
-- Do you want ______ shopping with me?
-- Sure, I’d love to.
| A．to go to | B．go | C．go to | D．to go |
--Where is your teacher now, Jenny?
-- My teacher ____________in the classroom.
| A．teach | B．teaches | C．teaching | D．is teaching |