—I wonder how much you charge for your services.
—The first two are free ________ the third costs $30.
A．while B．until C．when D．before
Try to read stories in English and speak in English whenever you can，________ you will see more progress over time.
A．but B．or C．and D．so
Stand over there ________ you'll be able to see the oil painting better.
A．but B．till C．and D．or
He found it increasingly difficult to read，________ his eyesight was beginning to fail.
A．though B．for C．but D．so
John plays basketball well，________ his favorite is badminton.
A．so B．or C．yet D．for
In some places women are expected to earn money ________ men work at home and raise their children.
A．but B．while C．because D．though
