_____ the rain stops, we' 11 set off for the station.
| A．Before | B．Unless | C．As soon as | D．Though |
She was _____ tired _____ she could not move an inch.
| A．so, that | B．such, that | C．very, that | D．so, as |
We didn’t go home _____ we finished the work.
| A．since | B．until | C．because | D．though |
I'll stay here _____ everyone else comes back.
| A．even if | B．as though | C．because | D．until |
Although it's raining, _____ are still working in the field.
| A．they | B．but they | C．and they | D．so they |