We have made good preparations for Sarah’s birthday, but if she ________ late to the party, it would ruin the surprise for her.
_____, the fire was discovered soon after it broke out , otherwise it might cause much greater damage.
He is always travelling all over the world, which broadens his _______.
If you_______ my advice last month, you wouldn’t have lost his job.
Mr.Smith is the only one of those foreigners who ______ in China.
----Why didn’t you go to the concert ?-----I ____a game between two American basketball teams