---So hard_ in the past few months that he has made great progress in English. ---I can see that, only a few mistakes _____ in this exam.
She was educated at Beijing University, _________she went on to have her advanced study abroad.
_____ you have got a chance, you might as well make full use of it.
---__________ that he managed to get the information? ---Oh, a friend of his helped him.
The next morning I’d just about given myself up for lost ______ I was spotted by a ship.
Don’t try to cheat in the examination. You will never __________ it.