—_____ do you go to the zoo with your brother? —Three times a month.
| A．How long | B．How often |
| C．How old | D．How much |
--Did you see a girl in red pass by just now?
--No , sir . I _______a magazine.
| A．read | B．am reading |
| C．was reading | D．would read |
-- Why do you feel so unhappy?
--Bad luck . When I arrived at the airport, my flight __________.
| A．took off | B．would take off |
| C．was taking off | D．had taken off |
-----Did you have any problems in South Pole (南极）
--Yes. ____________ fresh vegetables like tomatoes
A. to findB. findC foundD. finding
Sometimes, Obama as well as his family_______like “Modern Family ”, The show makes them a good laugh.
| A．watch shows | B．are watching shows |
| C．watches shows | D．is watching shows |
The cost of buying a house in Beijing is much higher , but Beijing is _______in traffic.
| A．the most organized | B．more organized |
| C．so organized as | D．as organized as |