之前
George applied for the position three times _____ he finally got it.
George applied for the position three times \_\_\_\__ he finally got it.
If you want to treat your friends to dinner in a good restaurant at the weekend, you’d better book a table _____.
If you want to treat your friends to dinner in a good restaurant at the weekend, you’d better book a table \_\_\_\__.
According to Guinness World Records, the second oldest message was found _____.
According to Guinness World Records, the second oldest message was found \_\_\_\__.
The mountain was really very high, but I tried hardly to climb it.
The mountain was really very high, but I tried hardly to climb it.
We have come to the conclusion when this summer will be much hotter than before.
We have come to the conclusion when this summer will be much hotter than before.