— Your aunt often walks the dog in the morning.
— Yeah, ___________ bad weather stops her.
| A．when | B．unless |
| C．because | D．since |
相关试题
---How did the accident happen?
---You know, it ________difficult to see the road clearly because it_________.
| A．was; was raining | B．is; has rained |
| C．is; is raining | D．will be; will rain |
---My house is very near a busy street.
---It ________ be very quiet.
| A．can | B．must | C．mustn't | D．can’t |
The sign on the right tells us taking photos ________here. 
| A．is allowed | B．isn’t allowed | C．are allowed | D．aren’t allowed |
--- Your grandparents were very great.
--- Yes. They supported my father’s schooling _________ they were very poor.
| A．as if | B．even though | C．so that | D．what if |
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