Not until years later _____ their leading position in the marketplace with the creation of Swatch watches.
| A．the Swiss regained | B．the Swiss has regained |
| C．did the Swiss regain | D．has the Swiss regained |
----- How often do you go home?
----- _________.
| A．For a | B．After a week | C．Once a week | D．none |
______ terrible weather we’ve been having these days!
| A．How a | B．What a | C．How | D．what |
He usually goes to work on time _______.
| A．except for raining days | B．besides it rains |
| C．but that it rains | D．except on rainy days |
These plants are water _______.
| A．each other day | B．every other day |
| C．each of two days | D．every of two days |
My father has done a lot of reading and writing ______ the year.
| A．over | B．for | C．at | D．on |